/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=BIGGEST --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/array-cav19/array_doub_access_init_const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 09:31:05,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 09:31:05,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 09:31:05,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 09:31:05,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 09:31:05,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 09:31:05,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 09:31:05,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 09:31:05,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 09:31:05,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 09:31:05,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 09:31:05,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 09:31:05,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 09:31:05,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 09:31:05,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 09:31:05,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 09:31:05,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 09:31:05,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 09:31:05,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 09:31:05,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 09:31:05,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 09:31:05,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 09:31:05,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 09:31:05,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 09:31:05,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 09:31:05,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 09:31:05,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 09:31:05,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 09:31:05,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 09:31:05,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 09:31:05,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 09:31:05,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 09:31:05,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 09:31:05,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 09:31:05,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 09:31:05,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 09:31:05,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 09:31:05,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 09:31:05,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 09:31:05,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 09:31:05,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 09:31:05,204 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 [2020-10-12 09:31:05,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 09:31:05,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 09:31:05,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 09:31:05,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 09:31:05,249 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 09:31:05,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 09:31:05,250 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 09:31:05,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 09:31:05,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 09:31:05,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 09:31:05,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 09:31:05,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 09:31:05,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 09:31:05,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 09:31:05,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 09:31:05,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 09:31:05,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 09:31:05,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 09:31:05,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 09:31:05,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 09:31:05,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 09:31:05,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 09:31:05,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 09:31:05,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 09:31:05,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 09:31:05,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 09:31:05,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 09:31:05,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 09:31:05,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 09:31:05,256 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 09:31:05,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 09:31:05,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 09:31:05,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 09:31:05,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 09:31:05,591 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 09:31:05,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-cav19/array_doub_access_init_const.c [2020-10-12 09:31:05,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/baa7ab330/11ead9d6650e4ed9b9e88d8a23e312c8/FLAG9e1e38e34 [2020-10-12 09:31:06,142 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 09:31:06,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-cav19/array_doub_access_init_const.c [2020-10-12 09:31:06,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/baa7ab330/11ead9d6650e4ed9b9e88d8a23e312c8/FLAG9e1e38e34 [2020-10-12 09:31:06,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/baa7ab330/11ead9d6650e4ed9b9e88d8a23e312c8 [2020-10-12 09:31:06,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 09:31:06,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 09:31:06,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 09:31:06,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 09:31:06,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 09:31:06,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b23df30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06, skipping insertion in model container [2020-10-12 09:31:06,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 09:31:06,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 09:31:06,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 09:31:06,823 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 09:31:06,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 09:31:06,866 INFO L208 MainTranslator]: Completed translation [2020-10-12 09:31:06,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06 WrapperNode [2020-10-12 09:31:06,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 09:31:06,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 09:31:06,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 09:31:06,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 09:31:06,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (1/1) ... [2020-10-12 09:31:06,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 09:31:06,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 09:31:06,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 09:31:06,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 09:31:06,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (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 [2020-10-12 09:31:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 09:31:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 09:31:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 09:31:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 09:31:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 09:31:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 09:31:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 09:31:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 09:31:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 09:31:07,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 09:31:07,283 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 09:31:07,283 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 09:31:07,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:31:07 BoogieIcfgContainer [2020-10-12 09:31:07,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 09:31:07,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 09:31:07,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 09:31:07,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 09:31:07,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:31:06" (1/3) ... [2020-10-12 09:31:07,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ddbf5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:31:07, skipping insertion in model container [2020-10-12 09:31:07,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:31:06" (2/3) ... [2020-10-12 09:31:07,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ddbf5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:31:07, skipping insertion in model container [2020-10-12 09:31:07,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:31:07" (3/3) ... [2020-10-12 09:31:07,297 INFO L109 eAbstractionObserver]: Analyzing ICFG array_doub_access_init_const.c [2020-10-12 09:31:07,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 09:31:07,318 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 09:31:07,333 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 09:31:07,366 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 09:31:07,367 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 09:31:07,367 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 09:31:07,367 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 09:31:07,367 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 09:31:07,367 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 09:31:07,368 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 09:31:07,368 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 09:31:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-12 09:31:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 09:31:07,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:07,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:07,404 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:07,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:07,411 INFO L82 PathProgramCache]: Analyzing trace with hash 48820346, now seen corresponding path program 1 times [2020-10-12 09:31:07,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:07,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803268405] [2020-10-12 09:31:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:07,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:07,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:07,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 09:31:07,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 09:31:07,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:07,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:07,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 09:31:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 09:31:07,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:07,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:07,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:07,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 09:31:07,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:07,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:07,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 09:31:07,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803268405] [2020-10-12 09:31:07,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 09:31:07,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 09:31:07,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618442787] [2020-10-12 09:31:07,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 09:31:07,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:07,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 09:31:07,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 09:31:07,801 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2020-10-12 09:31:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:07,930 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2020-10-12 09:31:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 09:31:07,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-12 09:31:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:07,941 INFO L225 Difference]: With dead ends: 42 [2020-10-12 09:31:07,942 INFO L226 Difference]: Without dead ends: 21 [2020-10-12 09:31:07,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 09:31:07,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-12 09:31:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-10-12 09:31:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-12 09:31:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-12 09:31:07,989 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13 [2020-10-12 09:31:07,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:07,989 INFO L479 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-12 09:31:07,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 09:31:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-12 09:31:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-12 09:31:07,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:07,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:07,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 09:31:07,992 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:07,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:07,992 INFO L82 PathProgramCache]: Analyzing trace with hash -298336104, now seen corresponding path program 1 times [2020-10-12 09:31:07,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:07,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924545644] [2020-10-12 09:31:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:08,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:08,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:08,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 09:31:08,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-12 09:31:08,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 09:31:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 09:31:08,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 09:31:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:08,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:08,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:08,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:08,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 09:31:08,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924545644] [2020-10-12 09:31:08,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:08,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 09:31:08,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428781400] [2020-10-12 09:31:08,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 09:31:08,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:08,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 09:31:08,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-12 09:31:08,575 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 9 states. [2020-10-12 09:31:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:08,842 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-12 09:31:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 09:31:08,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-10-12 09:31:08,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:08,844 INFO L225 Difference]: With dead ends: 31 [2020-10-12 09:31:08,845 INFO L226 Difference]: Without dead ends: 29 [2020-10-12 09:31:08,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 09:31:08,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-12 09:31:08,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2020-10-12 09:31:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-12 09:31:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-12 09:31:08,857 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 15 [2020-10-12 09:31:08,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:08,857 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-12 09:31:08,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 09:31:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-12 09:31:08,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-12 09:31:08,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:08,859 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] [2020-10-12 09:31:08,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 09:31:08,860 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:08,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:08,861 INFO L82 PathProgramCache]: Analyzing trace with hash 2019784399, now seen corresponding path program 1 times [2020-10-12 09:31:08,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:08,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241228105] [2020-10-12 09:31:08,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:08,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 09:31:09,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:09,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-12 09:31:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 09:31:09,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 09:31:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:09,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:09,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:09,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:09,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:09,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 09:31:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:09,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:09,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:09,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 09:31:09,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241228105] [2020-10-12 09:31:09,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:09,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 09:31:09,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643650125] [2020-10-12 09:31:09,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 09:31:09,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:09,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 09:31:09,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-12 09:31:09,437 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 10 states. [2020-10-12 09:31:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:09,768 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-12 09:31:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 09:31:09,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2020-10-12 09:31:09,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:09,770 INFO L225 Difference]: With dead ends: 42 [2020-10-12 09:31:09,771 INFO L226 Difference]: Without dead ends: 40 [2020-10-12 09:31:09,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2020-10-12 09:31:09,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-12 09:31:09,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2020-10-12 09:31:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-12 09:31:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-12 09:31:09,781 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 23 [2020-10-12 09:31:09,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:09,782 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-12 09:31:09,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 09:31:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-12 09:31:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-12 09:31:09,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:09,784 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:09,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 09:31:09,784 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:09,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:09,785 INFO L82 PathProgramCache]: Analyzing trace with hash 690816518, now seen corresponding path program 2 times [2020-10-12 09:31:09,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:09,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019083906] [2020-10-12 09:31:09,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:09,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 09:31:09,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 09:31:09,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 09:31:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 09:31:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:09,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:09,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:09,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:09,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 09:31:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:09,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:09,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:09,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:09,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:09,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:09,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 09:31:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:09,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:09,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:09,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:09,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:09,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:09,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:09,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:09,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:09,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:09,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 09:31:09,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019083906] [2020-10-12 09:31:09,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:09,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 09:31:09,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365834084] [2020-10-12 09:31:09,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 09:31:09,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:09,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 09:31:09,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 09:31:09,923 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 5 states. [2020-10-12 09:31:09,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:09,989 INFO L93 Difference]: Finished difference Result 62 states and 64 transitions. [2020-10-12 09:31:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 09:31:09,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-12 09:31:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:09,993 INFO L225 Difference]: With dead ends: 62 [2020-10-12 09:31:09,993 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 09:31:09,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 09:31:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 09:31:10,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-12 09:31:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-12 09:31:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-12 09:31:10,003 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 31 [2020-10-12 09:31:10,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:10,003 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-12 09:31:10,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 09:31:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-12 09:31:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-12 09:31:10,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:10,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:10,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 09:31:10,005 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:10,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1503704412, now seen corresponding path program 3 times [2020-10-12 09:31:10,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:10,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268586830] [2020-10-12 09:31:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:10,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:10,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:10,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 09:31:10,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-12 09:31:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 09:31:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 09:31:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:10,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:10,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:10,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:10,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:10,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:10,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:10,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:10,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 09:31:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:10,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:10,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:10,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:10,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:10,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:10,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:10,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 09:31:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:10,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:10,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:10,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:10,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:10,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:10,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:10,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:10,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:10,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 09:31:10,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268586830] [2020-10-12 09:31:10,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:10,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 09:31:10,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188638239] [2020-10-12 09:31:10,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 09:31:10,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:10,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 09:31:10,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-10-12 09:31:10,604 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 12 states. [2020-10-12 09:31:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:11,108 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2020-10-12 09:31:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 09:31:11,109 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 33 [2020-10-12 09:31:11,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:11,111 INFO L225 Difference]: With dead ends: 55 [2020-10-12 09:31:11,111 INFO L226 Difference]: Without dead ends: 53 [2020-10-12 09:31:11,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2020-10-12 09:31:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-12 09:31:11,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-12 09:31:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-12 09:31:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2020-10-12 09:31:11,120 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 33 [2020-10-12 09:31:11,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:11,121 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2020-10-12 09:31:11,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 09:31:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2020-10-12 09:31:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 09:31:11,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:11,123 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:11,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 09:31:11,123 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:11,124 INFO L82 PathProgramCache]: Analyzing trace with hash -258591525, now seen corresponding path program 4 times [2020-10-12 09:31:11,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:11,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466436200] [2020-10-12 09:31:11,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:11,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:11,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:11,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 09:31:11,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-12 09:31:11,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 09:31:11,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:11,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 09:31:11,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:11,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:11,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:11,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:11,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:11,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:11,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:11,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:11,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:11,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:11,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 09:31:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:11,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:11,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:11,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:11,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:11,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 09:31:11,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:11,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:11,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 09:31:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:11,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:11,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:11,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:11,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:11,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:31:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:11,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:11,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:11,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:11,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 09:31:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 09:31:11,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466436200] [2020-10-12 09:31:11,908 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:11,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 09:31:11,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378659616] [2020-10-12 09:31:11,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 09:31:11,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:11,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 09:31:11,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-12 09:31:11,912 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 13 states. [2020-10-12 09:31:12,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:12,439 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2020-10-12 09:31:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 09:31:12,440 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2020-10-12 09:31:12,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:12,441 INFO L225 Difference]: With dead ends: 63 [2020-10-12 09:31:12,441 INFO L226 Difference]: Without dead ends: 61 [2020-10-12 09:31:12,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2020-10-12 09:31:12,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-12 09:31:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2020-10-12 09:31:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-12 09:31:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2020-10-12 09:31:12,450 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 41 [2020-10-12 09:31:12,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:12,451 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2020-10-12 09:31:12,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 09:31:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2020-10-12 09:31:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-12 09:31:12,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:12,453 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:12,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 09:31:12,453 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:12,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:12,454 INFO L82 PathProgramCache]: Analyzing trace with hash 217511954, now seen corresponding path program 5 times [2020-10-12 09:31:12,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:12,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947025919] [2020-10-12 09:31:12,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:12,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 09:31:12,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 09:31:12,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 09:31:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:12,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:12,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:12,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:12,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 09:31:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:12,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:12,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:12,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 09:31:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:12,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:12,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:12,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:31:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:12,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:12,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:12,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:12,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:12,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:31:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:12,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:12,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:12,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-12 09:31:12,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947025919] [2020-10-12 09:31:12,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:12,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 09:31:12,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899877957] [2020-10-12 09:31:12,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 09:31:12,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:12,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 09:31:12,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 09:31:12,609 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 6 states. [2020-10-12 09:31:12,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:12,666 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2020-10-12 09:31:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 09:31:12,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-10-12 09:31:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:12,668 INFO L225 Difference]: With dead ends: 96 [2020-10-12 09:31:12,668 INFO L226 Difference]: Without dead ends: 55 [2020-10-12 09:31:12,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 09:31:12,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-12 09:31:12,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2020-10-12 09:31:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-12 09:31:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-12 09:31:12,679 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 49 [2020-10-12 09:31:12,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:12,679 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-12 09:31:12,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 09:31:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-12 09:31:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 09:31:12,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:12,681 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:12,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 09:31:12,681 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:12,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:12,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1832349392, now seen corresponding path program 6 times [2020-10-12 09:31:12,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:12,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228089282] [2020-10-12 09:31:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:13,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:13,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-12 09:31:13,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-12 09:31:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 09:31:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 09:31:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:13,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:13,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:13,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:13,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:13,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:13,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:13,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 09:31:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:13,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 09:31:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:13,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:13,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:13,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:13,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:31:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:13,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:13,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:13,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:13,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:13,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:13,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:31:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:13,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:13,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:13,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:13,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:13,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:13,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 8 proven. 41 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 09:31:13,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228089282] [2020-10-12 09:31:13,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:13,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 09:31:13,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463538420] [2020-10-12 09:31:13,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 09:31:13,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:13,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 09:31:13,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-10-12 09:31:13,468 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 15 states. [2020-10-12 09:31:14,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:14,100 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2020-10-12 09:31:14,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 09:31:14,101 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 51 [2020-10-12 09:31:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:14,103 INFO L225 Difference]: With dead ends: 76 [2020-10-12 09:31:14,104 INFO L226 Difference]: Without dead ends: 74 [2020-10-12 09:31:14,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2020-10-12 09:31:14,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-12 09:31:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 62. [2020-10-12 09:31:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-12 09:31:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 63 transitions. [2020-10-12 09:31:14,114 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 63 transitions. Word has length 51 [2020-10-12 09:31:14,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:14,115 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 63 transitions. [2020-10-12 09:31:14,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 09:31:14,115 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 63 transitions. [2020-10-12 09:31:14,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-12 09:31:14,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:14,117 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:14,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 09:31:14,117 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:14,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:14,117 INFO L82 PathProgramCache]: Analyzing trace with hash 801517415, now seen corresponding path program 7 times [2020-10-12 09:31:14,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:14,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721420617] [2020-10-12 09:31:14,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-12 09:31:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-12 09:31:14,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 09:31:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 09:31:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:14,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:14,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:14,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:14,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 09:31:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:14,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:14,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:14,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 09:31:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:14,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:14,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:14,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:31:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:14,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:14,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:14,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:14,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:14,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:14,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:14,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:31:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:14,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:14,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:14,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:14,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:14,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:14,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:31:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:14,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:14,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:14,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:14,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:14,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:14,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 59 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 09:31:14,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721420617] [2020-10-12 09:31:14,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:14,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 09:31:14,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573737576] [2020-10-12 09:31:14,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 09:31:14,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:14,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 09:31:14,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2020-10-12 09:31:14,789 INFO L87 Difference]: Start difference. First operand 62 states and 63 transitions. Second operand 16 states. [2020-10-12 09:31:15,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:15,633 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2020-10-12 09:31:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 09:31:15,634 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 59 [2020-10-12 09:31:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:15,635 INFO L225 Difference]: With dead ends: 84 [2020-10-12 09:31:15,636 INFO L226 Difference]: Without dead ends: 82 [2020-10-12 09:31:15,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=926, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 09:31:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-12 09:31:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2020-10-12 09:31:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-12 09:31:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-10-12 09:31:15,646 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 59 [2020-10-12 09:31:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:15,647 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-10-12 09:31:15,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 09:31:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-10-12 09:31:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-12 09:31:15,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:15,648 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:15,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 09:31:15,649 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:15,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:15,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1762023778, now seen corresponding path program 8 times [2020-10-12 09:31:15,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:15,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101455173] [2020-10-12 09:31:15,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-12 09:31:15,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 09:31:15,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 09:31:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 09:31:15,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:15,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 09:31:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:15,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:15,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 09:31:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:15,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:31:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:15,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:31:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:15,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:15,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:31:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:15,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:31:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:15,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:15,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:15,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:15,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:15,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:15,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:15,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-12 09:31:15,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101455173] [2020-10-12 09:31:15,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:15,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 09:31:15,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106745727] [2020-10-12 09:31:15,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 09:31:15,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:15,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 09:31:15,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 09:31:15,867 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 7 states. [2020-10-12 09:31:15,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:15,978 INFO L93 Difference]: Finished difference Result 130 states and 132 transitions. [2020-10-12 09:31:15,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 09:31:15,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2020-10-12 09:31:15,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:15,979 INFO L225 Difference]: With dead ends: 130 [2020-10-12 09:31:15,979 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 09:31:15,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 09:31:15,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 09:31:15,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2020-10-12 09:31:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-12 09:31:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-12 09:31:16,003 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 67 [2020-10-12 09:31:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:16,003 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-12 09:31:16,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 09:31:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-12 09:31:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-12 09:31:16,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:16,008 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:16,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 09:31:16,008 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:16,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:16,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1729203140, now seen corresponding path program 9 times [2020-10-12 09:31:16,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:16,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038877906] [2020-10-12 09:31:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:16,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:16,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 09:31:17,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1112 [2020-10-12 09:31:17,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 09:31:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 09:31:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:17,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:17,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:17,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 09:31:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:17,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:17,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:17,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:17,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 09:31:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:17,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:17,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:31:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:17,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:17,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:17,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:31:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:17,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:17,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:31:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:17,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:17,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:31:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:17,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:17,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:17,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:17,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:17,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:17,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:17,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:17,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 88 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 09:31:17,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038877906] [2020-10-12 09:31:17,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:17,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 09:31:17,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625500794] [2020-10-12 09:31:17,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 09:31:17,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:17,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 09:31:17,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-10-12 09:31:17,542 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 18 states. [2020-10-12 09:31:18,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:18,798 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2020-10-12 09:31:18,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 09:31:18,799 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 69 [2020-10-12 09:31:18,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:18,800 INFO L225 Difference]: With dead ends: 97 [2020-10-12 09:31:18,801 INFO L226 Difference]: Without dead ends: 95 [2020-10-12 09:31:18,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=1315, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 09:31:18,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-12 09:31:18,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 80. [2020-10-12 09:31:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-12 09:31:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-10-12 09:31:18,812 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 69 [2020-10-12 09:31:18,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:18,813 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-10-12 09:31:18,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 09:31:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-10-12 09:31:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-12 09:31:18,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:18,814 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:18,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 09:31:18,815 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:18,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:18,815 INFO L82 PathProgramCache]: Analyzing trace with hash -493992333, now seen corresponding path program 10 times [2020-10-12 09:31:18,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:18,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816166363] [2020-10-12 09:31:18,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:18,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 09:31:19,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-12 09:31:19,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 09:31:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 09:31:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:19,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:19,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:19,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:19,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 09:31:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:19,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:19,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:19,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:19,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 09:31:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:19,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:19,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:31:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:19,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:19,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:19,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:31:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:19,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:19,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:19,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:19,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:19,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:31:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:19,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:19,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:31:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:19,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:19,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:19,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:19,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 09:31:19,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:19,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:20,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:31:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:20,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:20,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:20,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 14 proven. 114 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 09:31:20,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816166363] [2020-10-12 09:31:20,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:20,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 09:31:20,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019295259] [2020-10-12 09:31:20,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 09:31:20,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:20,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 09:31:20,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2020-10-12 09:31:20,047 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 19 states. [2020-10-12 09:31:21,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:21,139 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2020-10-12 09:31:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 09:31:21,139 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2020-10-12 09:31:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:21,141 INFO L225 Difference]: With dead ends: 105 [2020-10-12 09:31:21,141 INFO L226 Difference]: Without dead ends: 103 [2020-10-12 09:31:21,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=1388, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 09:31:21,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-12 09:31:21,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 88. [2020-10-12 09:31:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-12 09:31:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2020-10-12 09:31:21,152 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 77 [2020-10-12 09:31:21,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:21,152 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2020-10-12 09:31:21,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 09:31:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2020-10-12 09:31:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-12 09:31:21,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:21,153 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:21,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 09:31:21,154 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:21,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:21,154 INFO L82 PathProgramCache]: Analyzing trace with hash 451932586, now seen corresponding path program 11 times [2020-10-12 09:31:21,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:21,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879173387] [2020-10-12 09:31:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 09:31:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-12 09:31:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 09:31:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 09:31:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:21,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:21,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 09:31:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 09:31:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:31:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:31:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:31:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:31:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:31:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:31:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:21,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:21,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:21,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:21,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-10-12 09:31:21,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879173387] [2020-10-12 09:31:21,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:21,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 09:31:21,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406289650] [2020-10-12 09:31:21,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 09:31:21,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:21,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 09:31:21,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 09:31:21,483 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 8 states. [2020-10-12 09:31:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:21,558 INFO L93 Difference]: Finished difference Result 164 states and 166 transitions. [2020-10-12 09:31:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 09:31:21,558 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-12 09:31:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:21,560 INFO L225 Difference]: With dead ends: 164 [2020-10-12 09:31:21,560 INFO L226 Difference]: Without dead ends: 91 [2020-10-12 09:31:21,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 09:31:21,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-12 09:31:21,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2020-10-12 09:31:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-12 09:31:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-12 09:31:21,570 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 85 [2020-10-12 09:31:21,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:21,570 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-12 09:31:21,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 09:31:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-12 09:31:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 09:31:21,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:21,572 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:21,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 09:31:21,572 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:21,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:21,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1733546952, now seen corresponding path program 12 times [2020-10-12 09:31:21,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:21,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354974089] [2020-10-12 09:31:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:21,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:21,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 09:31:22,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 978 [2020-10-12 09:31:22,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 09:31:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 09:31:22,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:22,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:22,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 09:31:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:22,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 09:31:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:22,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:31:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:22,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:22,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:31:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:22,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:31:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:31:22,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:31:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:22,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:31:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:22,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:31:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:22,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:22,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 16 proven. 153 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 09:31:23,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354974089] [2020-10-12 09:31:23,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:23,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 09:31:23,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618894685] [2020-10-12 09:31:23,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 09:31:23,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:23,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 09:31:23,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-12 09:31:23,004 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 21 states. [2020-10-12 09:31:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:24,548 INFO L93 Difference]: Finished difference Result 118 states and 124 transitions. [2020-10-12 09:31:24,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 09:31:24,549 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2020-10-12 09:31:24,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:24,551 INFO L225 Difference]: With dead ends: 118 [2020-10-12 09:31:24,551 INFO L226 Difference]: Without dead ends: 116 [2020-10-12 09:31:24,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=1945, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 09:31:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-12 09:31:24,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2020-10-12 09:31:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-12 09:31:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-10-12 09:31:24,562 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 87 [2020-10-12 09:31:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:24,562 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-10-12 09:31:24,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 09:31:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-10-12 09:31:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-12 09:31:24,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:24,563 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:24,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 09:31:24,564 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:24,564 INFO L82 PathProgramCache]: Analyzing trace with hash -158246401, now seen corresponding path program 13 times [2020-10-12 09:31:24,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:24,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352273269] [2020-10-12 09:31:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:24,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:24,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:25,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:25,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 09:31:25,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:25,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1100 [2020-10-12 09:31:25,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 09:31:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:25,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 09:31:25,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:26,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:26,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 09:31:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 09:31:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:31:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:31:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:26,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:26,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:31:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:31:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:31:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:31:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:31:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:26,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:26,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:26,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:26,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:26,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:26,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:26,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 18 proven. 187 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 09:31:26,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352273269] [2020-10-12 09:31:26,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:26,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 09:31:26,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038465216] [2020-10-12 09:31:26,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 09:31:26,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:26,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 09:31:26,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-12 09:31:26,313 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 22 states. [2020-10-12 09:31:27,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:27,973 INFO L93 Difference]: Finished difference Result 126 states and 132 transitions. [2020-10-12 09:31:27,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 09:31:27,973 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 95 [2020-10-12 09:31:27,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:27,975 INFO L225 Difference]: With dead ends: 126 [2020-10-12 09:31:27,975 INFO L226 Difference]: Without dead ends: 124 [2020-10-12 09:31:27,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=225, Invalid=2127, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 09:31:27,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-12 09:31:27,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2020-10-12 09:31:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-12 09:31:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-12 09:31:27,987 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 95 [2020-10-12 09:31:27,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:27,987 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-12 09:31:27,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 09:31:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-12 09:31:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-12 09:31:27,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:27,989 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:27,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 09:31:27,989 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:27,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:27,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1516455626, now seen corresponding path program 14 times [2020-10-12 09:31:27,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:27,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953922458] [2020-10-12 09:31:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 09:31:28,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-12 09:31:28,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 09:31:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:28,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 09:31:28,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:28,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:28,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:28,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 09:31:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 09:31:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:31:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:31:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:28,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:31:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:31:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:28,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:31:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:28,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:31:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:31:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:31:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:28,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:28,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:28,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:28,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:28,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:28,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:28,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2020-10-12 09:31:28,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953922458] [2020-10-12 09:31:28,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:28,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 09:31:28,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320197809] [2020-10-12 09:31:28,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 09:31:28,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:28,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 09:31:28,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 09:31:28,447 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 9 states. [2020-10-12 09:31:28,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:28,529 INFO L93 Difference]: Finished difference Result 198 states and 200 transitions. [2020-10-12 09:31:28,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 09:31:28,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-10-12 09:31:28,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:28,531 INFO L225 Difference]: With dead ends: 198 [2020-10-12 09:31:28,531 INFO L226 Difference]: Without dead ends: 109 [2020-10-12 09:31:28,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 09:31:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-12 09:31:28,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2020-10-12 09:31:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-12 09:31:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 109 transitions. [2020-10-12 09:31:28,545 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 109 transitions. Word has length 103 [2020-10-12 09:31:28,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:28,546 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 109 transitions. [2020-10-12 09:31:28,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 09:31:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 109 transitions. [2020-10-12 09:31:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-12 09:31:28,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:28,550 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:28,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 09:31:28,551 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:28,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1132695508, now seen corresponding path program 15 times [2020-10-12 09:31:28,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:28,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125537470] [2020-10-12 09:31:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:28,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:28,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:30,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:30,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 09:31:30,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:30,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1916 [2020-10-12 09:31:30,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:30,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 09:31:30,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:30,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 09:31:30,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:30,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:30,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:30,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:30,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:30,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:30,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:30,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:30,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:30,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 09:31:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:30,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:30,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:30,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:30,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:30,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:30,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:30,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:31:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:30,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:30,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:30,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:30,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:30,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:30,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:30,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:31:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:30,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:30,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:30,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:30,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:30,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:30,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:30,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:30,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:31:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:30,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:30,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:30,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:30,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:31,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:31,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:31:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:31,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:31,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:31,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:31,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:31,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:31,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:31:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:31,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:31,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:31,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:31,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:31,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:31:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:31,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:31,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:31,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:31,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:31,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:31,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:31:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:31,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:31:31,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:31:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:31,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:31,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:31,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:31,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:31,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:31,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:31:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:31,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:31,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:31,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:31,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:31,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:31,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:31,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:31,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 20 proven. 236 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 09:31:31,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125537470] [2020-10-12 09:31:31,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:31,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 09:31:31,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731300175] [2020-10-12 09:31:31,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 09:31:31,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:31,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 09:31:31,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2020-10-12 09:31:31,084 INFO L87 Difference]: Start difference. First operand 108 states and 109 transitions. Second operand 24 states. [2020-10-12 09:31:33,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:33,023 INFO L93 Difference]: Finished difference Result 139 states and 146 transitions. [2020-10-12 09:31:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 09:31:33,024 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 105 [2020-10-12 09:31:33,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:33,025 INFO L225 Difference]: With dead ends: 139 [2020-10-12 09:31:33,025 INFO L226 Difference]: Without dead ends: 137 [2020-10-12 09:31:33,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=272, Invalid=2698, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 09:31:33,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-12 09:31:33,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 116. [2020-10-12 09:31:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-12 09:31:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 117 transitions. [2020-10-12 09:31:33,039 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 117 transitions. Word has length 105 [2020-10-12 09:31:33,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:33,040 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 117 transitions. [2020-10-12 09:31:33,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 09:31:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 117 transitions. [2020-10-12 09:31:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-12 09:31:33,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:33,043 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:33,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 09:31:33,044 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:33,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:33,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1752844811, now seen corresponding path program 16 times [2020-10-12 09:31:33,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:33,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662406499] [2020-10-12 09:31:33,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:33,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:33,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:34,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:34,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 09:31:34,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1809 [2020-10-12 09:31:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 09:31:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 09:31:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:35,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:35,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 09:31:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:31:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:31:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:31:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:31:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:31:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:31:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:31:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:31:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:35,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:31:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 09:31:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:35,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:35,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:35,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:35,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 22 proven. 278 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 09:31:35,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662406499] [2020-10-12 09:31:35,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:35,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 09:31:35,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671862295] [2020-10-12 09:31:35,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 09:31:35,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:35,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 09:31:35,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-12 09:31:35,385 INFO L87 Difference]: Start difference. First operand 116 states and 117 transitions. Second operand 25 states. [2020-10-12 09:31:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:37,475 INFO L93 Difference]: Finished difference Result 147 states and 154 transitions. [2020-10-12 09:31:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 09:31:37,476 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 113 [2020-10-12 09:31:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:37,477 INFO L225 Difference]: With dead ends: 147 [2020-10-12 09:31:37,478 INFO L226 Difference]: Without dead ends: 145 [2020-10-12 09:31:37,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=275, Invalid=2805, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 09:31:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-12 09:31:37,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 124. [2020-10-12 09:31:37,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-12 09:31:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 125 transitions. [2020-10-12 09:31:37,499 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 125 transitions. Word has length 113 [2020-10-12 09:31:37,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:37,499 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 125 transitions. [2020-10-12 09:31:37,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 09:31:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 125 transitions. [2020-10-12 09:31:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-12 09:31:37,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:37,501 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:37,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 09:31:37,501 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:37,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:37,502 INFO L82 PathProgramCache]: Analyzing trace with hash -892674750, now seen corresponding path program 17 times [2020-10-12 09:31:37,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:37,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418378281] [2020-10-12 09:31:37,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 09:31:37,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-12 09:31:37,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 09:31:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:37,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 09:31:37,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 09:31:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:31:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:31:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:31:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:31:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:31:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:31:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:31:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:31:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:37,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:37,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:37,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:37,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:37,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:31:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:38,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:38,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:38,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:38,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:38,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:38,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:38,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 09:31:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:38,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:38,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:38,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:38,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:38,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:38,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 09:31:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:38,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:38,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:38,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:38,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:38,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:38,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:38,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:38,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-12 09:31:38,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418378281] [2020-10-12 09:31:38,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:38,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 09:31:38,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755688004] [2020-10-12 09:31:38,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 09:31:38,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:38,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 09:31:38,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-12 09:31:38,029 INFO L87 Difference]: Start difference. First operand 124 states and 125 transitions. Second operand 10 states. [2020-10-12 09:31:38,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:38,123 INFO L93 Difference]: Finished difference Result 232 states and 234 transitions. [2020-10-12 09:31:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 09:31:38,123 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-10-12 09:31:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:38,124 INFO L225 Difference]: With dead ends: 232 [2020-10-12 09:31:38,125 INFO L226 Difference]: Without dead ends: 127 [2020-10-12 09:31:38,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-12 09:31:38,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-12 09:31:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2020-10-12 09:31:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-12 09:31:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 127 transitions. [2020-10-12 09:31:38,140 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 127 transitions. Word has length 121 [2020-10-12 09:31:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:38,140 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 127 transitions. [2020-10-12 09:31:38,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 09:31:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 127 transitions. [2020-10-12 09:31:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 09:31:38,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:38,142 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:38,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 09:31:38,142 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:38,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:38,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1477478496, now seen corresponding path program 18 times [2020-10-12 09:31:38,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:38,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210889377] [2020-10-12 09:31:38,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:38,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-12 09:31:40,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2250 [2020-10-12 09:31:40,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 09:31:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-12 09:31:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:40,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:40,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:40,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:40,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 09:31:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:40,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:40,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:31:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:40,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:40,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:40,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:31:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:40,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:40,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:40,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:31:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:40,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:40,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:40,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:31:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:40,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:40,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:40,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:40,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:40,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:40,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:40,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:40,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:40,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 09:31:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:41,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 09:31:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:41,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 09:31:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:41,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 09:31:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:41,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 09:31:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 09:31:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:41,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 09:31:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:41,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:41,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:41,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:41,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:41,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:41,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 24 proven. 337 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 09:31:41,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210889377] [2020-10-12 09:31:41,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:41,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 09:31:41,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322831717] [2020-10-12 09:31:41,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 09:31:41,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:41,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 09:31:41,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-12 09:31:41,080 INFO L87 Difference]: Start difference. First operand 126 states and 127 transitions. Second operand 27 states. [2020-10-12 09:31:43,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:43,741 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2020-10-12 09:31:43,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 09:31:43,745 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 123 [2020-10-12 09:31:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:43,747 INFO L225 Difference]: With dead ends: 160 [2020-10-12 09:31:43,747 INFO L226 Difference]: Without dead ends: 158 [2020-10-12 09:31:43,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=332, Invalid=3574, Unknown=0, NotChecked=0, Total=3906 [2020-10-12 09:31:43,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-12 09:31:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 134. [2020-10-12 09:31:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-12 09:31:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 135 transitions. [2020-10-12 09:31:43,761 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 135 transitions. Word has length 123 [2020-10-12 09:31:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:43,762 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 135 transitions. [2020-10-12 09:31:43,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 09:31:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 135 transitions. [2020-10-12 09:31:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-12 09:31:43,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:43,764 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:43,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 09:31:43,764 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:43,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:43,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1845758313, now seen corresponding path program 19 times [2020-10-12 09:31:43,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:43,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089831721] [2020-10-12 09:31:43,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:43,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:44,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:45,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:45,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-12 09:31:45,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:45,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2017 [2020-10-12 09:31:45,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 09:31:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:45,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-12 09:31:45,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:46,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 09:31:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:46,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:46,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:31:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:46,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:31:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:46,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:46,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:31:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:46,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:31:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 09:31:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 09:31:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:46,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 09:31:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 09:31:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 09:31:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 09:31:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 09:31:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 09:31:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 09:31:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:46,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:46,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:46,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:46,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:31:46,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:46,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 26 proven. 387 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 09:31:46,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089831721] [2020-10-12 09:31:46,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:46,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 09:31:46,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212478041] [2020-10-12 09:31:46,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 09:31:46,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:46,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 09:31:46,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-10-12 09:31:46,734 INFO L87 Difference]: Start difference. First operand 134 states and 135 transitions. Second operand 28 states. [2020-10-12 09:31:49,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:49,835 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2020-10-12 09:31:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 09:31:49,836 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 131 [2020-10-12 09:31:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:49,838 INFO L225 Difference]: With dead ends: 168 [2020-10-12 09:31:49,838 INFO L226 Difference]: Without dead ends: 166 [2020-10-12 09:31:49,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=335, Invalid=3697, Unknown=0, NotChecked=0, Total=4032 [2020-10-12 09:31:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-12 09:31:49,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 142. [2020-10-12 09:31:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-12 09:31:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 143 transitions. [2020-10-12 09:31:49,855 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 143 transitions. Word has length 131 [2020-10-12 09:31:49,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:49,856 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 143 transitions. [2020-10-12 09:31:49,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 09:31:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 143 transitions. [2020-10-12 09:31:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 09:31:49,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:49,857 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:49,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 09:31:49,858 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:49,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:49,858 INFO L82 PathProgramCache]: Analyzing trace with hash -213041714, now seen corresponding path program 20 times [2020-10-12 09:31:49,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:49,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043081809] [2020-10-12 09:31:49,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:49,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 09:31:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 09:31:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:31:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:31:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:50,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:31:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:31:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:50,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 09:31:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 09:31:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 09:31:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 09:31:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 09:31:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 09:31:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 09:31:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 09:31:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 09:31:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:50,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:50,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:50,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:50,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:31:50,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:31:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 28 proven. 49 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2020-10-12 09:31:50,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043081809] [2020-10-12 09:31:50,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:50,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 09:31:50,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186656067] [2020-10-12 09:31:50,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 09:31:50,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:50,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 09:31:50,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-12 09:31:50,457 INFO L87 Difference]: Start difference. First operand 142 states and 143 transitions. Second operand 11 states. [2020-10-12 09:31:50,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:50,543 INFO L93 Difference]: Finished difference Result 266 states and 268 transitions. [2020-10-12 09:31:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 09:31:50,544 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2020-10-12 09:31:50,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:50,545 INFO L225 Difference]: With dead ends: 266 [2020-10-12 09:31:50,546 INFO L226 Difference]: Without dead ends: 145 [2020-10-12 09:31:50,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-12 09:31:50,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-12 09:31:50,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2020-10-12 09:31:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-12 09:31:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 145 transitions. [2020-10-12 09:31:50,564 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 145 transitions. Word has length 139 [2020-10-12 09:31:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:50,564 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 145 transitions. [2020-10-12 09:31:50,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 09:31:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 145 transitions. [2020-10-12 09:31:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 09:31:50,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:50,567 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:50,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 09:31:50,567 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:50,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:50,568 INFO L82 PathProgramCache]: Analyzing trace with hash -2104124052, now seen corresponding path program 21 times [2020-10-12 09:31:50,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:50,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769464340] [2020-10-12 09:31:50,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:50,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:50,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:52,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:52,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-12 09:31:52,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:52,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1961 [2020-10-12 09:31:52,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:52,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 09:31:52,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 09:31:52,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:31:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:31:53,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:31:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:31:53,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 09:31:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:31:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:31:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:31:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:31:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:31:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:31:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:31:53,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 09:31:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 09:31:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 09:31:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 09:31:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 09:31:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 09:31:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 09:31:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:53,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:53,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:53,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:31:53,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:31:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:31:53,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:31:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:31:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:31:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:31:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 28 proven. 456 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 09:31:53,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769464340] [2020-10-12 09:31:53,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:31:53,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 09:31:53,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896583858] [2020-10-12 09:31:53,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 09:31:53,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:31:53,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 09:31:53,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2020-10-12 09:31:53,281 INFO L87 Difference]: Start difference. First operand 144 states and 145 transitions. Second operand 30 states. [2020-10-12 09:31:57,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:31:57,078 INFO L93 Difference]: Finished difference Result 181 states and 190 transitions. [2020-10-12 09:31:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 09:31:57,079 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 141 [2020-10-12 09:31:57,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:31:57,085 INFO L225 Difference]: With dead ends: 181 [2020-10-12 09:31:57,085 INFO L226 Difference]: Without dead ends: 179 [2020-10-12 09:31:57,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 810 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=397, Invalid=4573, Unknown=0, NotChecked=0, Total=4970 [2020-10-12 09:31:57,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-12 09:31:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 152. [2020-10-12 09:31:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-12 09:31:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 153 transitions. [2020-10-12 09:31:57,120 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 153 transitions. Word has length 141 [2020-10-12 09:31:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:31:57,121 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 153 transitions. [2020-10-12 09:31:57,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 09:31:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 153 transitions. [2020-10-12 09:31:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 09:31:57,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:31:57,126 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:31:57,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 09:31:57,126 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:31:57,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:31:57,127 INFO L82 PathProgramCache]: Analyzing trace with hash -137281629, now seen corresponding path program 22 times [2020-10-12 09:31:57,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:31:57,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630769956] [2020-10-12 09:31:57,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:31:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:31:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:57,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:31:59,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2749 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-12 09:31:59,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:00,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 09:32:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:32:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:32:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:32:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:32:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:32:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:32:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 09:32:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 09:32:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 09:32:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 09:32:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 09:32:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 09:32:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 09:32:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 09:32:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:00,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:00,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:00,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:00,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:00,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 30 proven. 514 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 09:32:00,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630769956] [2020-10-12 09:32:00,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:00,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 09:32:00,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986606952] [2020-10-12 09:32:00,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 09:32:00,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:00,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 09:32:00,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-12 09:32:00,674 INFO L87 Difference]: Start difference. First operand 152 states and 153 transitions. Second operand 31 states. [2020-10-12 09:32:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:04,174 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2020-10-12 09:32:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 09:32:04,175 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 149 [2020-10-12 09:32:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:04,176 INFO L225 Difference]: With dead ends: 189 [2020-10-12 09:32:04,177 INFO L226 Difference]: Without dead ends: 187 [2020-10-12 09:32:04,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=400, Invalid=4712, Unknown=0, NotChecked=0, Total=5112 [2020-10-12 09:32:04,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-12 09:32:04,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2020-10-12 09:32:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-12 09:32:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 161 transitions. [2020-10-12 09:32:04,210 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 161 transitions. Word has length 149 [2020-10-12 09:32:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:04,213 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 161 transitions. [2020-10-12 09:32:04,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 09:32:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2020-10-12 09:32:04,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 09:32:04,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:04,215 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:04,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 09:32:04,216 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:04,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:04,218 INFO L82 PathProgramCache]: Analyzing trace with hash 721337050, now seen corresponding path program 23 times [2020-10-12 09:32:04,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:04,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348585250] [2020-10-12 09:32:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-12 09:32:04,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-12 09:32:04,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 09:32:04,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:04,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 09:32:04,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:04,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 09:32:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:32:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:32:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:32:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:04,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:32:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:04,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:32:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:32:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 09:32:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 09:32:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 09:32:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 09:32:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 09:32:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 09:32:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 09:32:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 09:32:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 09:32:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:04,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:04,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:04,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:04,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:04,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:04,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:04,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1088 backedges. 32 proven. 64 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2020-10-12 09:32:04,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348585250] [2020-10-12 09:32:04,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:04,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 09:32:04,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137453601] [2020-10-12 09:32:04,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 09:32:04,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:04,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 09:32:04,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-12 09:32:04,777 INFO L87 Difference]: Start difference. First operand 160 states and 161 transitions. Second operand 12 states. [2020-10-12 09:32:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:04,862 INFO L93 Difference]: Finished difference Result 300 states and 302 transitions. [2020-10-12 09:32:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 09:32:04,863 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-10-12 09:32:04,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:04,865 INFO L225 Difference]: With dead ends: 300 [2020-10-12 09:32:04,865 INFO L226 Difference]: Without dead ends: 163 [2020-10-12 09:32:04,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-12 09:32:04,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-12 09:32:04,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 162. [2020-10-12 09:32:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-12 09:32:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 163 transitions. [2020-10-12 09:32:04,880 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 163 transitions. Word has length 157 [2020-10-12 09:32:04,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:04,881 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 163 transitions. [2020-10-12 09:32:04,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 09:32:04,881 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 163 transitions. [2020-10-12 09:32:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 09:32:04,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:04,882 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:04,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 09:32:04,883 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:04,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:04,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1581928712, now seen corresponding path program 24 times [2020-10-12 09:32:04,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:04,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113614563] [2020-10-12 09:32:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:04,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:05,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2397 [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:07,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-12 09:32:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:08,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 09:32:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:32:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:32:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:32:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:32:08,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:32:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:32:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:32:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 09:32:08,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:32:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 09:32:08,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:32:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 09:32:08,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:32:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:32:08,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 09:32:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 09:32:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:32:08,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 09:32:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 09:32:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:08,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 09:32:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:08,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 09:32:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 09:32:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:08,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:08,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:08,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:08,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:08,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:08,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:08,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 32 proven. 593 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 09:32:08,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113614563] [2020-10-12 09:32:08,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:08,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 09:32:08,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741300672] [2020-10-12 09:32:08,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 09:32:08,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:08,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 09:32:08,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 09:32:08,619 INFO L87 Difference]: Start difference. First operand 162 states and 163 transitions. Second operand 33 states. [2020-10-12 09:32:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:12,872 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2020-10-12 09:32:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 09:32:12,874 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 159 [2020-10-12 09:32:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:12,875 INFO L225 Difference]: With dead ends: 202 [2020-10-12 09:32:12,875 INFO L226 Difference]: Without dead ends: 200 [2020-10-12 09:32:12,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=467, Invalid=5695, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 09:32:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-12 09:32:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 170. [2020-10-12 09:32:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-12 09:32:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 171 transitions. [2020-10-12 09:32:12,893 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 171 transitions. Word has length 159 [2020-10-12 09:32:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:12,893 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 171 transitions. [2020-10-12 09:32:12,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 09:32:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 171 transitions. [2020-10-12 09:32:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-12 09:32:12,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:12,895 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:12,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 09:32:12,895 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:12,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:12,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1749220049, now seen corresponding path program 25 times [2020-10-12 09:32:12,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:12,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200110486] [2020-10-12 09:32:12,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:12,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:13,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3320 [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 09:32:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 09:32:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:17,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:17,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 09:32:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:32:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:32:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:32:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:32:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:32:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:32:17,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:32:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:32:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:32:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 09:32:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 09:32:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 09:32:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 09:32:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 09:32:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 09:32:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 09:32:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 09:32:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:17,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:17,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:17,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 34 proven. 659 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 09:32:17,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200110486] [2020-10-12 09:32:17,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:17,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 09:32:17,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451312889] [2020-10-12 09:32:17,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 09:32:17,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:17,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 09:32:17,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1055, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 09:32:17,361 INFO L87 Difference]: Start difference. First operand 170 states and 171 transitions. Second operand 34 states. [2020-10-12 09:32:21,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:21,835 INFO L93 Difference]: Finished difference Result 210 states and 220 transitions. [2020-10-12 09:32:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-12 09:32:21,836 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 167 [2020-10-12 09:32:21,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:21,839 INFO L225 Difference]: With dead ends: 210 [2020-10-12 09:32:21,839 INFO L226 Difference]: Without dead ends: 208 [2020-10-12 09:32:21,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=472, Invalid=5848, Unknown=0, NotChecked=0, Total=6320 [2020-10-12 09:32:21,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-12 09:32:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 178. [2020-10-12 09:32:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-12 09:32:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2020-10-12 09:32:21,858 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 167 [2020-10-12 09:32:21,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:21,858 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2020-10-12 09:32:21,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 09:32:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2020-10-12 09:32:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 09:32:21,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:21,860 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:21,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 09:32:21,860 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:21,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:21,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1858221158, now seen corresponding path program 26 times [2020-10-12 09:32:21,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:21,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864579020] [2020-10-12 09:32:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:21,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 573 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 09:32:22,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 09:32:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:32:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:32:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:32:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:32:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:32:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:32:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:32:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:32:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 09:32:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 09:32:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 09:32:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:32:22,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 09:32:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 09:32:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 09:32:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 09:32:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 09:32:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 09:32:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:22,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:22,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:22,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:22,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:22,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:22,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1377 backedges. 36 proven. 81 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-10-12 09:32:22,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864579020] [2020-10-12 09:32:22,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:22,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 09:32:22,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150308087] [2020-10-12 09:32:22,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 09:32:22,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:22,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 09:32:22,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-12 09:32:22,652 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand 13 states. [2020-10-12 09:32:22,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:22,796 INFO L93 Difference]: Finished difference Result 334 states and 336 transitions. [2020-10-12 09:32:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 09:32:22,797 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 175 [2020-10-12 09:32:22,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:22,799 INFO L225 Difference]: With dead ends: 334 [2020-10-12 09:32:22,799 INFO L226 Difference]: Without dead ends: 181 [2020-10-12 09:32:22,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-12 09:32:22,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-12 09:32:22,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 180. [2020-10-12 09:32:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-12 09:32:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 181 transitions. [2020-10-12 09:32:22,817 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 181 transitions. Word has length 175 [2020-10-12 09:32:22,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:22,817 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 181 transitions. [2020-10-12 09:32:22,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 09:32:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 181 transitions. [2020-10-12 09:32:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-12 09:32:22,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:22,819 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:22,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 09:32:22,819 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:22,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:22,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1662754052, now seen corresponding path program 27 times [2020-10-12 09:32:22,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:22,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789685504] [2020-10-12 09:32:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:22,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:23,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:25,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:25,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 09:32:25,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:32:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2401 [2020-10-12 09:32:25,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 09:32:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-12 09:32:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:26,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:26,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:32:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:32:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:32:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:32:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:32:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:32:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:32:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:32:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:32:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 09:32:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 09:32:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 09:32:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 09:32:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 09:32:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 09:32:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 09:32:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 09:32:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 09:32:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:26,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:26,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:26,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:26,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:26,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 36 proven. 748 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 09:32:26,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789685504] [2020-10-12 09:32:26,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:26,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-12 09:32:26,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773368822] [2020-10-12 09:32:26,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-12 09:32:26,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:26,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-12 09:32:26,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1189, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 09:32:26,341 INFO L87 Difference]: Start difference. First operand 180 states and 181 transitions. Second operand 36 states. [2020-10-12 09:32:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:31,478 INFO L93 Difference]: Finished difference Result 223 states and 234 transitions. [2020-10-12 09:32:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 09:32:31,480 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 177 [2020-10-12 09:32:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:31,482 INFO L225 Difference]: With dead ends: 223 [2020-10-12 09:32:31,482 INFO L226 Difference]: Without dead ends: 221 [2020-10-12 09:32:31,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1285 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=539, Invalid=6771, Unknown=0, NotChecked=0, Total=7310 [2020-10-12 09:32:31,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-12 09:32:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 188. [2020-10-12 09:32:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-12 09:32:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 189 transitions. [2020-10-12 09:32:31,500 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 189 transitions. Word has length 177 [2020-10-12 09:32:31,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:31,501 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 189 transitions. [2020-10-12 09:32:31,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-12 09:32:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 189 transitions. [2020-10-12 09:32:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 09:32:31,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:31,502 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:31,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 09:32:31,503 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:31,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:31,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1232459973, now seen corresponding path program 28 times [2020-10-12 09:32:31,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:31,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818728730] [2020-10-12 09:32:31,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:31,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:31,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 09:32:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:32:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3129 [2020-10-12 09:32:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 09:32:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-12 09:32:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:35,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:35,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:32:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:32:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:32:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:32:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:32:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:32:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:35,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:32:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:32:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:32:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 09:32:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 09:32:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:35,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 09:32:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 09:32:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 09:32:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 09:32:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 09:32:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 09:32:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 09:32:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 09:32:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:35,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:35,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:35,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:35,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 38 proven. 822 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 09:32:35,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818728730] [2020-10-12 09:32:35,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:35,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 09:32:35,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564929071] [2020-10-12 09:32:35,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 09:32:35,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:35,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 09:32:35,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 09:32:35,884 INFO L87 Difference]: Start difference. First operand 188 states and 189 transitions. Second operand 37 states. [2020-10-12 09:32:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:41,506 INFO L93 Difference]: Finished difference Result 231 states and 242 transitions. [2020-10-12 09:32:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-12 09:32:41,507 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 185 [2020-10-12 09:32:41,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:41,510 INFO L225 Difference]: With dead ends: 231 [2020-10-12 09:32:41,510 INFO L226 Difference]: Without dead ends: 229 [2020-10-12 09:32:41,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=550, Invalid=7282, Unknown=0, NotChecked=0, Total=7832 [2020-10-12 09:32:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-12 09:32:41,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 196. [2020-10-12 09:32:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-12 09:32:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 197 transitions. [2020-10-12 09:32:41,528 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 197 transitions. Word has length 185 [2020-10-12 09:32:41,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:41,529 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 197 transitions. [2020-10-12 09:32:41,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 09:32:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2020-10-12 09:32:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-12 09:32:41,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:41,530 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:41,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 09:32:41,530 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:41,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:41,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2055375474, now seen corresponding path program 29 times [2020-10-12 09:32:41,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:41,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632897812] [2020-10-12 09:32:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 09:32:42,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 775 [2020-10-12 09:32:42,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 09:32:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 09:32:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:42,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 09:32:42,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:42,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 09:32:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:32:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:32:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:32:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:32:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:32:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:32:42,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:32:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:32:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:32:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 09:32:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 09:32:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 09:32:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 09:32:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 09:32:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 09:32:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 09:32:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 09:32:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 09:32:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:42,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 09:32:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 09:32:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:42,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:32:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 09:32:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1700 backedges. 40 proven. 100 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2020-10-12 09:32:42,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632897812] [2020-10-12 09:32:42,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:42,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 09:32:42,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129478972] [2020-10-12 09:32:42,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 09:32:42,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:42,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 09:32:42,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2020-10-12 09:32:42,626 INFO L87 Difference]: Start difference. First operand 196 states and 197 transitions. Second operand 14 states. [2020-10-12 09:32:42,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:42,788 INFO L93 Difference]: Finished difference Result 368 states and 370 transitions. [2020-10-12 09:32:42,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 09:32:42,789 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 193 [2020-10-12 09:32:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:42,790 INFO L225 Difference]: With dead ends: 368 [2020-10-12 09:32:42,790 INFO L226 Difference]: Without dead ends: 199 [2020-10-12 09:32:42,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2020-10-12 09:32:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-12 09:32:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 198. [2020-10-12 09:32:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-12 09:32:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 199 transitions. [2020-10-12 09:32:42,817 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 199 transitions. Word has length 193 [2020-10-12 09:32:42,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:42,817 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 199 transitions. [2020-10-12 09:32:42,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 09:32:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 199 transitions. [2020-10-12 09:32:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 09:32:42,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:42,819 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:42,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 09:32:42,820 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1854257264, now seen corresponding path program 30 times [2020-10-12 09:32:42,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:42,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969875943] [2020-10-12 09:32:42,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:42,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:43,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:47,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-12 09:32:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:32:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:32:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:32:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:32:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:32:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:32:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:32:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:32:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 09:32:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 09:32:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 09:32:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 09:32:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 09:32:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 09:32:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 09:32:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 09:32:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 09:32:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-12 09:32:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 09:32:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 09:32:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 09:32:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 09:32:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 09:32:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 09:32:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 09:32:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:49,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:49,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:32:49,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:32:49,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:32:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:32:49,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:32:49,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:32:49,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:32:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:32:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:32:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 40 proven. 921 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 09:32:49,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969875943] [2020-10-12 09:32:49,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:32:49,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 09:32:49,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914928158] [2020-10-12 09:32:49,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 09:32:49,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:32:49,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 09:32:49,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 09:32:49,247 INFO L87 Difference]: Start difference. First operand 198 states and 199 transitions. Second operand 39 states. [2020-10-12 09:32:56,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:32:56,014 INFO L93 Difference]: Finished difference Result 244 states and 256 transitions. [2020-10-12 09:32:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-12 09:32:56,016 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 195 [2020-10-12 09:32:56,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:32:56,018 INFO L225 Difference]: With dead ends: 244 [2020-10-12 09:32:56,018 INFO L226 Difference]: Without dead ends: 242 [2020-10-12 09:32:56,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1527 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=622, Invalid=8308, Unknown=0, NotChecked=0, Total=8930 [2020-10-12 09:32:56,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-12 09:32:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 206. [2020-10-12 09:32:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-12 09:32:56,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 207 transitions. [2020-10-12 09:32:56,037 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 207 transitions. Word has length 195 [2020-10-12 09:32:56,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:32:56,038 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 207 transitions. [2020-10-12 09:32:56,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 09:32:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 207 transitions. [2020-10-12 09:32:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-12 09:32:56,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:32:56,039 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:32:56,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 09:32:56,040 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:32:56,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:32:56,040 INFO L82 PathProgramCache]: Analyzing trace with hash 772507079, now seen corresponding path program 31 times [2020-10-12 09:32:56,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:32:56,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838530120] [2020-10-12 09:32:56,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:32:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:32:56,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:32:56,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:01,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:01,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 09:33:01,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:33:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 09:33:01,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 09:33:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:33:01,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 09:33:01,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:33:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:33:02,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:02,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:33:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:33:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:33:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:33:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 09:33:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 09:33:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 09:33:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 09:33:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 09:33:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 09:33:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 09:33:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 09:33:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 09:33:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 09:33:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 09:33:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 09:33:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 09:33:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 09:33:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 09:33:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 09:33:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 09:33:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:02,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:02,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:02,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1885 backedges. 42 proven. 1003 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 09:33:02,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838530120] [2020-10-12 09:33:02,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:33:02,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-12 09:33:02,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007880224] [2020-10-12 09:33:02,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-12 09:33:02,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:33:02,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-12 09:33:02,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 09:33:02,620 INFO L87 Difference]: Start difference. First operand 206 states and 207 transitions. Second operand 40 states. [2020-10-12 09:33:05,217 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-12 09:33:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:33:10,671 INFO L93 Difference]: Finished difference Result 252 states and 264 transitions. [2020-10-12 09:33:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-12 09:33:10,672 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 203 [2020-10-12 09:33:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:33:10,675 INFO L225 Difference]: With dead ends: 252 [2020-10-12 09:33:10,675 INFO L226 Difference]: Without dead ends: 250 [2020-10-12 09:33:10,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1528 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=625, Invalid=8495, Unknown=0, NotChecked=0, Total=9120 [2020-10-12 09:33:10,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-12 09:33:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 214. [2020-10-12 09:33:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-12 09:33:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 215 transitions. [2020-10-12 09:33:10,696 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 215 transitions. Word has length 203 [2020-10-12 09:33:10,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:33:10,697 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 215 transitions. [2020-10-12 09:33:10,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-12 09:33:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 215 transitions. [2020-10-12 09:33:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-12 09:33:10,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:33:10,698 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:33:10,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 09:33:10,699 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:33:10,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:33:10,699 INFO L82 PathProgramCache]: Analyzing trace with hash 389192958, now seen corresponding path program 32 times [2020-10-12 09:33:10,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:33:10,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899976237] [2020-10-12 09:33:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:33:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:10,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:11,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:11,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-12 09:33:11,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1211 [2020-10-12 09:33:11,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 09:33:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:33:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 09:33:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:33:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 09:33:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 09:33:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 09:33:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 09:33:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 09:33:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 09:33:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 09:33:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 09:33:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 09:33:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 09:33:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 09:33:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 09:33:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 09:33:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 09:33:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 09:33:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 09:33:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 09:33:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 09:33:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 09:33:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 09:33:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 09:33:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 09:33:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 44 proven. 121 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2020-10-12 09:33:12,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899976237] [2020-10-12 09:33:12,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:33:12,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 09:33:12,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857848719] [2020-10-12 09:33:12,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 09:33:12,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:33:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 09:33:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2020-10-12 09:33:12,213 INFO L87 Difference]: Start difference. First operand 214 states and 215 transitions. Second operand 15 states. [2020-10-12 09:33:12,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:33:12,467 INFO L93 Difference]: Finished difference Result 402 states and 404 transitions. [2020-10-12 09:33:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 09:33:12,469 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 211 [2020-10-12 09:33:12,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:33:12,470 INFO L225 Difference]: With dead ends: 402 [2020-10-12 09:33:12,470 INFO L226 Difference]: Without dead ends: 217 [2020-10-12 09:33:12,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2020-10-12 09:33:12,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-12 09:33:12,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2020-10-12 09:33:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-12 09:33:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 217 transitions. [2020-10-12 09:33:12,501 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 217 transitions. Word has length 211 [2020-10-12 09:33:12,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:33:12,502 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 217 transitions. [2020-10-12 09:33:12,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 09:33:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 217 transitions. [2020-10-12 09:33:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-12 09:33:12,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:33:12,505 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:33:12,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 09:33:12,505 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:33:12,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:33:12,506 INFO L82 PathProgramCache]: Analyzing trace with hash -494104932, now seen corresponding path program 33 times [2020-10-12 09:33:12,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:33:12,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13856906] [2020-10-12 09:33:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:33:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:12,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:17,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:17,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-12 09:33:17,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:33:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-12 09:33:17,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 09:33:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:33:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-12 09:33:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:33:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:33:19,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:19,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:33:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:33:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:33:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:33:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:33:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:33:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 09:33:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 09:33:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 09:33:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 09:33:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 09:33:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 09:33:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 09:33:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 09:33:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 09:33:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 09:33:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 09:33:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 09:33:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 09:33:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 09:33:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 09:33:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 09:33:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:19,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:19,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:19,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 44 proven. 1112 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 09:33:19,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13856906] [2020-10-12 09:33:19,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:33:19,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-12 09:33:19,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812816751] [2020-10-12 09:33:19,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-12 09:33:19,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:33:19,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-12 09:33:19,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 09:33:19,221 INFO L87 Difference]: Start difference. First operand 216 states and 217 transitions. Second operand 42 states. [2020-10-12 09:33:22,205 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-12 09:33:28,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:33:28,565 INFO L93 Difference]: Finished difference Result 265 states and 278 transitions. [2020-10-12 09:33:28,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-10-12 09:33:28,567 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 213 [2020-10-12 09:33:28,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:33:28,569 INFO L225 Difference]: With dead ends: 265 [2020-10-12 09:33:28,569 INFO L226 Difference]: Without dead ends: 263 [2020-10-12 09:33:28,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1816 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=707, Invalid=9799, Unknown=0, NotChecked=0, Total=10506 [2020-10-12 09:33:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-12 09:33:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224. [2020-10-12 09:33:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-12 09:33:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 225 transitions. [2020-10-12 09:33:28,597 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 225 transitions. Word has length 213 [2020-10-12 09:33:28,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:33:28,598 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 225 transitions. [2020-10-12 09:33:28,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-12 09:33:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 225 transitions. [2020-10-12 09:33:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 09:33:28,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:33:28,600 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:33:28,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-12 09:33:28,600 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:33:28,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:33:28,601 INFO L82 PathProgramCache]: Analyzing trace with hash 991690963, now seen corresponding path program 34 times [2020-10-12 09:33:28,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:33:28,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389456500] [2020-10-12 09:33:28,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:33:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:28,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:33,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:33,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-12 09:33:33,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:33:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 09:33:33,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 09:33:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:33:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-10-12 09:33:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:33:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:33:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:33:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:33:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:33:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:35,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:33:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:33:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 09:33:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 09:33:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 09:33:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 09:33:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 09:33:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 09:33:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 09:33:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 09:33:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 09:33:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 09:33:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 09:33:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 09:33:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 09:33:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 09:33:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 09:33:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 09:33:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 09:33:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2260 backedges. 46 proven. 1202 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 09:33:35,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389456500] [2020-10-12 09:33:35,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:33:35,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-12 09:33:35,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049628593] [2020-10-12 09:33:35,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-12 09:33:35,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:33:35,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-12 09:33:35,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 09:33:35,704 INFO L87 Difference]: Start difference. First operand 224 states and 225 transitions. Second operand 43 states. [2020-10-12 09:33:46,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:33:46,738 INFO L93 Difference]: Finished difference Result 273 states and 286 transitions. [2020-10-12 09:33:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-12 09:33:46,741 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 221 [2020-10-12 09:33:46,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:33:46,744 INFO L225 Difference]: With dead ends: 273 [2020-10-12 09:33:46,744 INFO L226 Difference]: Without dead ends: 271 [2020-10-12 09:33:46,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1877 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=715, Invalid=10205, Unknown=0, NotChecked=0, Total=10920 [2020-10-12 09:33:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-10-12 09:33:46,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 232. [2020-10-12 09:33:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-12 09:33:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 233 transitions. [2020-10-12 09:33:46,775 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 233 transitions. Word has length 221 [2020-10-12 09:33:46,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:33:46,776 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 233 transitions. [2020-10-12 09:33:46,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-12 09:33:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2020-10-12 09:33:46,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-12 09:33:46,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:33:46,778 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:33:46,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-12 09:33:46,778 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:33:46,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:33:46,779 INFO L82 PathProgramCache]: Analyzing trace with hash -389198838, now seen corresponding path program 35 times [2020-10-12 09:33:46,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:33:46,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934684331] [2020-10-12 09:33:46,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:33:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:46,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1534 [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 09:33:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:33:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:48,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 09:33:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 09:33:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 09:33:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 09:33:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 09:33:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 09:33:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 09:33:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 09:33:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 09:33:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 09:33:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 09:33:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 09:33:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 09:33:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 09:33:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 09:33:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 09:33:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 09:33:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 09:33:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 09:33:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 09:33:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 09:33:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 09:33:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 09:33:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 09:33:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:33:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2448 backedges. 48 proven. 144 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2020-10-12 09:33:48,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934684331] [2020-10-12 09:33:48,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:33:48,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 09:33:48,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763686083] [2020-10-12 09:33:48,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 09:33:48,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:33:48,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 09:33:48,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2020-10-12 09:33:48,685 INFO L87 Difference]: Start difference. First operand 232 states and 233 transitions. Second operand 16 states. [2020-10-12 09:33:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:33:48,914 INFO L93 Difference]: Finished difference Result 436 states and 438 transitions. [2020-10-12 09:33:48,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 09:33:48,915 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 229 [2020-10-12 09:33:48,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:33:48,917 INFO L225 Difference]: With dead ends: 436 [2020-10-12 09:33:48,917 INFO L226 Difference]: Without dead ends: 235 [2020-10-12 09:33:48,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2020-10-12 09:33:48,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-12 09:33:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 234. [2020-10-12 09:33:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-12 09:33:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2020-10-12 09:33:48,952 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 229 [2020-10-12 09:33:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:33:48,952 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2020-10-12 09:33:48,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 09:33:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2020-10-12 09:33:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 09:33:48,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:33:48,954 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:33:48,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-12 09:33:48,954 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:33:48,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:33:48,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1159025192, now seen corresponding path program 36 times [2020-10-12 09:33:48,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:33:48,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270185820] [2020-10-12 09:33:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:33:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:48,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:50,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:54,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-12 09:33:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:33:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-12 09:33:54,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 09:33:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:33:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 275 [2020-10-12 09:33:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:33:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:33:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:33:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:33:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:33:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:33:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:33:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:33:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:33:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:33:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 09:33:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 09:33:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 09:33:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 09:33:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 09:33:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 09:33:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:33:56,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 09:33:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 09:33:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 09:33:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 09:33:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 09:33:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 09:33:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 09:33:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 09:33:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 09:33:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 09:33:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:33:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:33:56,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:33:56,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:33:56,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:33:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:33:56,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:33:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:33:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:33:56,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:33:56,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:33:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 48 proven. 1321 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-12 09:33:56,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270185820] [2020-10-12 09:33:56,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:33:56,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-12 09:33:56,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260072836] [2020-10-12 09:33:56,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-12 09:33:56,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:33:56,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-12 09:33:56,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1891, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 09:33:56,534 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand 45 states. [2020-10-12 09:34:00,918 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-10-12 09:34:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:34:10,773 INFO L93 Difference]: Finished difference Result 286 states and 300 transitions. [2020-10-12 09:34:10,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-12 09:34:10,776 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 231 [2020-10-12 09:34:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:34:10,778 INFO L225 Difference]: With dead ends: 286 [2020-10-12 09:34:10,779 INFO L226 Difference]: Without dead ends: 284 [2020-10-12 09:34:10,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2158 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=794, Invalid=11196, Unknown=0, NotChecked=0, Total=11990 [2020-10-12 09:34:10,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-12 09:34:10,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 242. [2020-10-12 09:34:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-12 09:34:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 243 transitions. [2020-10-12 09:34:10,818 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 243 transitions. Word has length 231 [2020-10-12 09:34:10,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:34:10,819 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 243 transitions. [2020-10-12 09:34:10,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-12 09:34:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 243 transitions. [2020-10-12 09:34:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-12 09:34:10,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:34:10,821 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 25, 25, 25, 25, 25, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:34:10,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-12 09:34:10,821 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:34:10,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:34:10,824 INFO L82 PathProgramCache]: Analyzing trace with hash -878806945, now seen corresponding path program 37 times [2020-10-12 09:34:10,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:34:10,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757194732] [2020-10-12 09:34:10,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:34:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:10,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:11,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:15,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:15,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-12 09:34:15,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:34:15,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 09:34:15,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 09:34:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:34:15,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-12 09:34:15,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:18,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:34:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:18,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:18,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:18,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:34:18,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:18,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:18,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:34:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:18,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:18,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:18,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:18,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:34:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:18,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:18,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:18,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:18,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:18,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:34:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:18,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:18,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:18,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:18,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:18,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:18,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:18,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:34:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:18,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:18,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:18,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:18,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:34:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:34:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:18,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:18,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:18,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:34:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:34:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:34:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:19,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 09:34:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 09:34:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 09:34:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:19,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 09:34:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 09:34:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 09:34:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 09:34:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 09:34:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 09:34:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 09:34:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 09:34:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 09:34:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 09:34:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 09:34:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 09:34:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 09:34:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 09:34:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 09:34:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:19,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:19,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:19,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:19,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:19,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 50 proven. 1419 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-12 09:34:19,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757194732] [2020-10-12 09:34:19,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:34:19,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-12 09:34:19,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979288869] [2020-10-12 09:34:19,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-12 09:34:19,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:34:19,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-12 09:34:19,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1979, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 09:34:19,259 INFO L87 Difference]: Start difference. First operand 242 states and 243 transitions. Second operand 46 states. [2020-10-12 09:34:24,636 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-10-12 09:34:39,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:34:39,949 INFO L93 Difference]: Finished difference Result 294 states and 308 transitions. [2020-10-12 09:34:39,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-12 09:34:39,953 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 239 [2020-10-12 09:34:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:34:39,956 INFO L225 Difference]: With dead ends: 294 [2020-10-12 09:34:39,956 INFO L226 Difference]: Without dead ends: 292 [2020-10-12 09:34:39,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2225 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=802, Invalid=11630, Unknown=0, NotChecked=0, Total=12432 [2020-10-12 09:34:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-12 09:34:39,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 250. [2020-10-12 09:34:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-12 09:34:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 251 transitions. [2020-10-12 09:34:39,985 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 251 transitions. Word has length 239 [2020-10-12 09:34:39,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:34:39,986 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 251 transitions. [2020-10-12 09:34:39,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-12 09:34:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 251 transitions. [2020-10-12 09:34:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-12 09:34:39,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:34:39,988 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:34:39,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-12 09:34:39,989 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:34:39,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:34:39,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1135249514, now seen corresponding path program 38 times [2020-10-12 09:34:39,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:34:39,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232980541] [2020-10-12 09:34:39,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:34:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:40,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-10-12 09:34:43,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3128 [2020-10-12 09:34:43,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 09:34:43,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:34:43,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 09:34:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:34:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 09:34:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 09:34:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 09:34:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 09:34:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 09:34:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 09:34:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 09:34:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 09:34:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 09:34:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 09:34:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 09:34:43,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 09:34:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 09:34:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 09:34:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 09:34:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 09:34:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 09:34:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 09:34:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 09:34:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 09:34:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 09:34:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 09:34:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 09:34:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 09:34:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 09:34:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 09:34:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 09:34:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:43,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 09:34:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:43,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2873 backedges. 52 proven. 169 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2020-10-12 09:34:43,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232980541] [2020-10-12 09:34:43,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:34:43,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 09:34:43,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642060709] [2020-10-12 09:34:43,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 09:34:43,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:34:43,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 09:34:43,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2020-10-12 09:34:43,667 INFO L87 Difference]: Start difference. First operand 250 states and 251 transitions. Second operand 17 states. [2020-10-12 09:34:44,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 09:34:44,026 INFO L93 Difference]: Finished difference Result 470 states and 472 transitions. [2020-10-12 09:34:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 09:34:44,027 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 247 [2020-10-12 09:34:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 09:34:44,029 INFO L225 Difference]: With dead ends: 470 [2020-10-12 09:34:44,030 INFO L226 Difference]: Without dead ends: 253 [2020-10-12 09:34:44,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2020-10-12 09:34:44,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-12 09:34:44,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2020-10-12 09:34:44,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-10-12 09:34:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 253 transitions. [2020-10-12 09:34:44,062 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 253 transitions. Word has length 247 [2020-10-12 09:34:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 09:34:44,062 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 253 transitions. [2020-10-12 09:34:44,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 09:34:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 253 transitions. [2020-10-12 09:34:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-12 09:34:44,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 09:34:44,065 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 09:34:44,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-12 09:34:44,065 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 09:34:44,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 09:34:44,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1361087948, now seen corresponding path program 39 times [2020-10-12 09:34:44,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 09:34:44,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852736351] [2020-10-12 09:34:44,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 09:34:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:44,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:49,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:49,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-12 09:34:49,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 09:34:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 09:34:49,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 09:34:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 09:34:49,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-12 09:34:49,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 09:34:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 09:34:51,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 09:34:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 09:34:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 09:34:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 09:34:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 09:34:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 09:34:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 09:34:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 09:34:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 09:34:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 09:34:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 09:34:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 09:34:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 09:34:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 09:34:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 09:34:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 09:34:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 09:34:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 09:34:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 09:34:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 09:34:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 09:34:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 09:34:51,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 09:34:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 09:34:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 09:34:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-12 09:34:51,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 09:34:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 09:34:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 09:34:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 09:34:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 09:34:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 09:34:51,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 09:34:51,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 09:34:51,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 09:34:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 52 proven. 1548 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-12 09:34:51,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852736351] [2020-10-12 09:34:51,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 09:34:51,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-12 09:34:51,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320997612] [2020-10-12 09:34:51,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-12 09:34:51,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 09:34:51,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-12 09:34:51,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 09:34:51,760 INFO L87 Difference]: Start difference. First operand 252 states and 253 transitions. Second operand 48 states.