/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-examples/standard_strcmp_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 10:03:21,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 10:03:21,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 10:03:21,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 10:03:21,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 10:03:21,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 10:03:21,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 10:03:21,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 10:03:21,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 10:03:21,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 10:03:21,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 10:03:21,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 10:03:21,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 10:03:21,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 10:03:21,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 10:03:21,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 10:03:21,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 10:03:21,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 10:03:21,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 10:03:21,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 10:03:21,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 10:03:21,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 10:03:21,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 10:03:21,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 10:03:21,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 10:03:21,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 10:03:21,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 10:03:21,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 10:03:21,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 10:03:21,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 10:03:21,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 10:03:21,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 10:03:21,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 10:03:21,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 10:03:21,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 10:03:21,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 10:03:21,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 10:03:21,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 10:03:21,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 10:03:21,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 10:03:21,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 10:03:21,188 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 10:03:21,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 10:03:21,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 10:03:21,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 10:03:21,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 10:03:21,238 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 10:03:21,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 10:03:21,242 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 10:03:21,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 10:03:21,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 10:03:21,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 10:03:21,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 10:03:21,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 10:03:21,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 10:03:21,243 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 10:03:21,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 10:03:21,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 10:03:21,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 10:03:21,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 10:03:21,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 10:03:21,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 10:03:21,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 10:03:21,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:03:21,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 10:03:21,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 10:03:21,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 10:03:21,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 10:03:21,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 10:03:21,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 10:03:21,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 10:03:21,248 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 10:03:21,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 10:03:21,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 10:03:21,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 10:03:21,597 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 10:03:21,598 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 10:03:21,598 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_strcmp_ground.i [2020-10-12 10:03:21,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e083e1fdc/8aeb692bca9d4dba93d7f615933a587e/FLAG19392da3a [2020-10-12 10:03:22,173 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 10:03:22,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/standard_strcmp_ground.i [2020-10-12 10:03:22,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e083e1fdc/8aeb692bca9d4dba93d7f615933a587e/FLAG19392da3a [2020-10-12 10:03:22,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e083e1fdc/8aeb692bca9d4dba93d7f615933a587e [2020-10-12 10:03:22,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 10:03:22,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 10:03:22,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 10:03:22,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 10:03:22,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 10:03:22,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5f9fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22, skipping insertion in model container [2020-10-12 10:03:22,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 10:03:22,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 10:03:22,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:03:22,799 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 10:03:22,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:03:22,838 INFO L208 MainTranslator]: Completed translation [2020-10-12 10:03:22,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22 WrapperNode [2020-10-12 10:03:22,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 10:03:22,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 10:03:22,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 10:03:22,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 10:03:22,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (1/1) ... [2020-10-12 10:03:22,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 10:03:22,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 10:03:22,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 10:03:22,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 10:03:22,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (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 10:03:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 10:03:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 10:03:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 10:03:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _strcmp [2020-10-12 10:03:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 10:03:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 10:03:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 10:03:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 10:03:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure _strcmp [2020-10-12 10:03:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 10:03:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 10:03:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 10:03:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 10:03:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 10:03:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 10:03:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 10:03:23,303 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 10:03:23,304 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-12 10:03:23,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:03:23 BoogieIcfgContainer [2020-10-12 10:03:23,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 10:03:23,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 10:03:23,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 10:03:23,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 10:03:23,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:03:22" (1/3) ... [2020-10-12 10:03:23,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150cc933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:03:23, skipping insertion in model container [2020-10-12 10:03:23,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:03:22" (2/3) ... [2020-10-12 10:03:23,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150cc933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:03:23, skipping insertion in model container [2020-10-12 10:03:23,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:03:23" (3/3) ... [2020-10-12 10:03:23,318 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_strcmp_ground.i [2020-10-12 10:03:23,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 10:03:23,337 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 10:03:23,352 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 10:03:23,376 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 10:03:23,377 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 10:03:23,377 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 10:03:23,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 10:03:23,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 10:03:23,377 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 10:03:23,377 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 10:03:23,377 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 10:03:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-10-12 10:03:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 10:03:23,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:23,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:23,405 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:23,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:23,410 INFO L82 PathProgramCache]: Analyzing trace with hash 893293776, now seen corresponding path program 1 times [2020-10-12 10:03:23,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:23,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12847050] [2020-10-12 10:03:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:23,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:23,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:23,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 10:03:23,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-12 10:03:23,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 10:03:23,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 10:03:23,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:23,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:23,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 10:03:23,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 10:03:23,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:23,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:23,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 10:03:23,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 10:03:23,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:23,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:23,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 10:03:23,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:23,901 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 10:03:23,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12847050] [2020-10-12 10:03:23,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:03:23,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 10:03:23,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958922257] [2020-10-12 10:03:23,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 10:03:23,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:23,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 10:03:23,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 10:03:23,937 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 4 states. [2020-10-12 10:03:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:24,109 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2020-10-12 10:03:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 10:03:24,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-10-12 10:03:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:24,123 INFO L225 Difference]: With dead ends: 60 [2020-10-12 10:03:24,123 INFO L226 Difference]: Without dead ends: 31 [2020-10-12 10:03:24,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:03:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-12 10:03:24,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-10-12 10:03:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-12 10:03:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-10-12 10:03:24,174 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 20 [2020-10-12 10:03:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:24,175 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-10-12 10:03:24,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 10:03:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-10-12 10:03:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 10:03:24,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:24,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:24,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 10:03:24,177 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:24,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:24,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1315310333, now seen corresponding path program 1 times [2020-10-12 10:03:24,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:24,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83948992] [2020-10-12 10:03:24,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:24,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:24,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:24,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 10:03:24,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:24,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-12 10:03:24,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:03:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 10:03:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 10:03:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:24,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:24,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:24,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:24,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:24,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:24,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:24,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:24,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:24,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:24,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:24,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 10:03:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 10:03:24,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:03:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:24,594 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 10:03:24,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83948992] [2020-10-12 10:03:24,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:03:24,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 10:03:24,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369443010] [2020-10-12 10:03:24,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 10:03:24,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:24,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 10:03:24,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:03:24,599 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 6 states. [2020-10-12 10:03:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:24,704 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-10-12 10:03:24,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:03:24,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-12 10:03:24,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:24,706 INFO L225 Difference]: With dead ends: 42 [2020-10-12 10:03:24,706 INFO L226 Difference]: Without dead ends: 28 [2020-10-12 10:03:24,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 10:03:24,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-12 10:03:24,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-12 10:03:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-12 10:03:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-10-12 10:03:24,715 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 20 [2020-10-12 10:03:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:24,715 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-10-12 10:03:24,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 10:03:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-10-12 10:03:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-12 10:03:24,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:24,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:24,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 10:03:24,717 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:24,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:24,718 INFO L82 PathProgramCache]: Analyzing trace with hash 396664882, now seen corresponding path program 1 times [2020-10-12 10:03:24,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:24,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989998324] [2020-10-12 10:03:24,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:24,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:24,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:25,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 10:03:25,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:25,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-10-12 10:03:25,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:25,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:03:25,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:25,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 10:03:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:25,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:25,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:25,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:25,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:25,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:25,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 10:03:25,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:25,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 10:03:25,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 10:03:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 10:03:25,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:25,441 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 10:03:25,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989998324] [2020-10-12 10:03:25,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:25,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 10:03:25,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953601127] [2020-10-12 10:03:25,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 10:03:25,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:25,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 10:03:25,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-12 10:03:25,445 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 11 states. [2020-10-12 10:03:25,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:25,840 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-10-12 10:03:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 10:03:25,841 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2020-10-12 10:03:25,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:25,842 INFO L225 Difference]: With dead ends: 39 [2020-10-12 10:03:25,842 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 10:03:25,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-10-12 10:03:25,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 10:03:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2020-10-12 10:03:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-12 10:03:25,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2020-10-12 10:03:25,852 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 22 [2020-10-12 10:03:25,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:25,852 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2020-10-12 10:03:25,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 10:03:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-10-12 10:03:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 10:03:25,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:25,854 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:25,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 10:03:25,855 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:25,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:25,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1791588926, now seen corresponding path program 1 times [2020-10-12 10:03:25,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:25,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194354264] [2020-10-12 10:03:25,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:25,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:25,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 10:03:25,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-12 10:03:25,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:03:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:25,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 10:03:25,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:25,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:25,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:25,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:25,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:25,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:25,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:25,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:25,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:25,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:26,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 10:03:26,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:26,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 10:03:26,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:03:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:26,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 10:03:26,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:26,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 10:03:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:26,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:26,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:26,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:26,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:26,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:26,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 10:03:26,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194354264] [2020-10-12 10:03:26,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:26,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 10:03:26,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397245863] [2020-10-12 10:03:26,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:03:26,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:26,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:03:26,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:03:26,037 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 5 states. [2020-10-12 10:03:26,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:26,127 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2020-10-12 10:03:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 10:03:26,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-12 10:03:26,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:26,129 INFO L225 Difference]: With dead ends: 58 [2020-10-12 10:03:26,129 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 10:03:26,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 10:03:26,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 10:03:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-10-12 10:03:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-12 10:03:26,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-10-12 10:03:26,138 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 30 [2020-10-12 10:03:26,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:26,138 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-10-12 10:03:26,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:03:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-10-12 10:03:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-12 10:03:26,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:26,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:26,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 10:03:26,141 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:26,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash -345991202, now seen corresponding path program 2 times [2020-10-12 10:03:26,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:26,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4252630] [2020-10-12 10:03:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:26,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 10:03:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-10-12 10:03:26,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 10:03:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 10:03:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:26,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:26,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:26,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:26,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:26,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:26,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 10:03:26,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:26,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 10:03:26,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:26,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 10:03:26,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:26,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 10:03:26,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:26,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 10:03:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:26,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:26,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:26,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:03:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:03:26,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4252630] [2020-10-12 10:03:26,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:26,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 10:03:26,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86373030] [2020-10-12 10:03:26,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 10:03:26,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:26,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 10:03:26,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-12 10:03:26,824 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 13 states. [2020-10-12 10:03:27,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:27,271 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2020-10-12 10:03:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 10:03:27,272 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2020-10-12 10:03:27,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:27,273 INFO L225 Difference]: With dead ends: 49 [2020-10-12 10:03:27,273 INFO L226 Difference]: Without dead ends: 47 [2020-10-12 10:03:27,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2020-10-12 10:03:27,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-12 10:03:27,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2020-10-12 10:03:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-12 10:03:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-10-12 10:03:27,282 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 32 [2020-10-12 10:03:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:27,283 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-10-12 10:03:27,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 10:03:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-10-12 10:03:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 10:03:27,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:27,284 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:27,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 10:03:27,285 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:27,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:27,285 INFO L82 PathProgramCache]: Analyzing trace with hash 587600238, now seen corresponding path program 3 times [2020-10-12 10:03:27,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:27,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755614772] [2020-10-12 10:03:27,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:27,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:27,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 10:03:27,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:27,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-12 10:03:27,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:03:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:27,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:27,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:27,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:27,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:27,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:27,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:27,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:27,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:27,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:27,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:27,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:27,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 10:03:27,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 10:03:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 10:03:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 10:03:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:27,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:27,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:27,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:27,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:27,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:27,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:27,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:27,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 10:03:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:27,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:27,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:27,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:27,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 10:03:27,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755614772] [2020-10-12 10:03:27,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:27,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 10:03:27,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602274611] [2020-10-12 10:03:27,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 10:03:27,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:27,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 10:03:27,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:03:27,531 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 6 states. [2020-10-12 10:03:27,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:27,650 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-10-12 10:03:27,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:03:27,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-12 10:03:27,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:27,652 INFO L225 Difference]: With dead ends: 76 [2020-10-12 10:03:27,652 INFO L226 Difference]: Without dead ends: 47 [2020-10-12 10:03:27,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 10:03:27,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-12 10:03:27,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2020-10-12 10:03:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-12 10:03:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2020-10-12 10:03:27,661 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 40 [2020-10-12 10:03:27,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:27,662 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2020-10-12 10:03:27,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 10:03:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-10-12 10:03:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 10:03:27,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:27,664 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:27,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 10:03:27,664 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:27,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:27,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1438306166, now seen corresponding path program 4 times [2020-10-12 10:03:27,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:27,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988204799] [2020-10-12 10:03:27,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:27,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:28,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:28,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 10:03:28,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-12 10:03:28,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 10:03:28,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 10:03:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:28,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:28,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:28,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:28,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:28,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:28,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:28,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:28,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:28,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 10:03:28,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 10:03:28,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 10:03:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 10:03:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:28,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 10:03:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:28,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:28,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:28,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 10:03:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:28,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:28,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:28,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:28,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:28,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:28,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:28,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 10:03:28,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988204799] [2020-10-12 10:03:28,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:28,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 10:03:28,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023057911] [2020-10-12 10:03:28,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 10:03:28,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:28,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 10:03:28,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-12 10:03:28,530 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 15 states. [2020-10-12 10:03:29,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:29,215 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-10-12 10:03:29,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 10:03:29,216 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 42 [2020-10-12 10:03:29,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:29,217 INFO L225 Difference]: With dead ends: 59 [2020-10-12 10:03:29,217 INFO L226 Difference]: Without dead ends: 57 [2020-10-12 10:03:29,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2020-10-12 10:03:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-12 10:03:29,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-10-12 10:03:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-12 10:03:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-10-12 10:03:29,227 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 42 [2020-10-12 10:03:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:29,227 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-10-12 10:03:29,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 10:03:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-10-12 10:03:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-12 10:03:29,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:29,229 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:29,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 10:03:29,229 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:29,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:29,229 INFO L82 PathProgramCache]: Analyzing trace with hash -36880870, now seen corresponding path program 5 times [2020-10-12 10:03:29,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:29,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20222933] [2020-10-12 10:03:29,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:29,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-12 10:03:29,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-12 10:03:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 10:03:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 10:03:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:29,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:29,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:29,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:29,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:29,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:29,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:29,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 10:03:29,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 10:03:29,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 10:03:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 10:03:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:29,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 10:03:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:29,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:29,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:29,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:29,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:29,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 10:03:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:29,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:29,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:29,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 10:03:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:29,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:29,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:29,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:29,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 10:03:29,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20222933] [2020-10-12 10:03:29,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:29,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 10:03:29,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150837841] [2020-10-12 10:03:29,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 10:03:29,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:29,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 10:03:29,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 10:03:29,545 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2020-10-12 10:03:29,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:29,662 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2020-10-12 10:03:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 10:03:29,663 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2020-10-12 10:03:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:29,664 INFO L225 Difference]: With dead ends: 94 [2020-10-12 10:03:29,664 INFO L226 Difference]: Without dead ends: 57 [2020-10-12 10:03:29,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-10-12 10:03:29,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-12 10:03:29,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2020-10-12 10:03:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-12 10:03:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2020-10-12 10:03:29,673 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 50 [2020-10-12 10:03:29,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:29,674 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2020-10-12 10:03:29,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 10:03:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2020-10-12 10:03:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-12 10:03:29,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:29,675 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:29,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 10:03:29,676 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:29,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:29,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1124783562, now seen corresponding path program 6 times [2020-10-12 10:03:29,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:29,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354961574] [2020-10-12 10:03:29,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:29,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:30,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:30,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-12 10:03:30,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:30,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-12 10:03:30,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:30,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 10:03:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:30,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 10:03:30,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:30,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:30,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:30,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:30,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:30,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:30,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:30,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:30,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:30,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:30,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:30,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:30,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:30,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:30,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 10:03:30,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:30,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 10:03:30,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 10:03:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 10:03:30,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:31,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 10:03:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:31,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:31,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:31,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:31,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:03:31,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:31,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:31,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:31,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 10:03:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:31,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:31,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:31,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:03:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:31,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 10:03:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:31,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:31,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:31,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:31,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:03:31,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 10:03:31,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [354961574] [2020-10-12 10:03:31,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:31,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 10:03:31,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699773554] [2020-10-12 10:03:31,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 10:03:31,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:31,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 10:03:31,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-12 10:03:31,079 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 17 states. [2020-10-12 10:03:32,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:32,030 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-10-12 10:03:32,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 10:03:32,030 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 52 [2020-10-12 10:03:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:32,032 INFO L225 Difference]: With dead ends: 69 [2020-10-12 10:03:32,032 INFO L226 Difference]: Without dead ends: 67 [2020-10-12 10:03:32,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=836, Unknown=0, NotChecked=0, Total=930 [2020-10-12 10:03:32,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-12 10:03:32,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2020-10-12 10:03:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-12 10:03:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2020-10-12 10:03:32,042 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 52 [2020-10-12 10:03:32,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:32,043 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2020-10-12 10:03:32,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 10:03:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-10-12 10:03:32,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-12 10:03:32,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:32,044 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:32,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 10:03:32,045 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:32,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:32,045 INFO L82 PathProgramCache]: Analyzing trace with hash 527354822, now seen corresponding path program 7 times [2020-10-12 10:03:32,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:32,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263987764] [2020-10-12 10:03:32,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 10:03:32,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:32,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-12 10:03:32,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 10:03:32,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:32,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 10:03:32,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:32,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:32,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 10:03:32,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 10:03:32,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 10:03:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:32,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 10:03:32,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:32,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 10:03:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:32,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:32,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:32,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 10:03:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:32,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:32,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:32,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:32,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 10:03:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:32,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:32,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:32,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:03:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:32,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:32,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:32,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:32,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:32,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:32,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-12 10:03:32,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263987764] [2020-10-12 10:03:32,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:32,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 10:03:32,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521501042] [2020-10-12 10:03:32,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 10:03:32,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:32,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 10:03:32,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 10:03:32,448 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 8 states. [2020-10-12 10:03:32,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:32,579 INFO L93 Difference]: Finished difference Result 112 states and 115 transitions. [2020-10-12 10:03:32,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 10:03:32,580 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-12 10:03:32,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:32,581 INFO L225 Difference]: With dead ends: 112 [2020-10-12 10:03:32,581 INFO L226 Difference]: Without dead ends: 67 [2020-10-12 10:03:32,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-12 10:03:32,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-12 10:03:32,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2020-10-12 10:03:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-12 10:03:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2020-10-12 10:03:32,590 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 60 [2020-10-12 10:03:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:32,590 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2020-10-12 10:03:32,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 10:03:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2020-10-12 10:03:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 10:03:32,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:32,592 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:32,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 10:03:32,592 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:32,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:32,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2007188706, now seen corresponding path program 8 times [2020-10-12 10:03:32,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:32,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717490871] [2020-10-12 10:03:32,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:32,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:33,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 10:03:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 849 [2020-10-12 10:03:33,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 10:03:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 10:03:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:33,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:33,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:33,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:33,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:33,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:33,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:33,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:33,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:33,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:33,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:33,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:33,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:33,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 10:03:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-12 10:03:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:03:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:03:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:34,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 10:03:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:34,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:34,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:34,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:34,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:34,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:34,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 10:03:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:34,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:34,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:34,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:34,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:34,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 10:03:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:34,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:34,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:34,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:34,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:34,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:03:34,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:34,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:03:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:34,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:34,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:34,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:34,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:34,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 10:03:34,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717490871] [2020-10-12 10:03:34,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:34,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 10:03:34,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503033403] [2020-10-12 10:03:34,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 10:03:34,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:34,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 10:03:34,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-12 10:03:34,071 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 19 states. [2020-10-12 10:03:35,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:35,010 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2020-10-12 10:03:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 10:03:35,011 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 62 [2020-10-12 10:03:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:35,012 INFO L225 Difference]: With dead ends: 79 [2020-10-12 10:03:35,012 INFO L226 Difference]: Without dead ends: 77 [2020-10-12 10:03:35,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=1021, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 10:03:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-12 10:03:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2020-10-12 10:03:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-12 10:03:35,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2020-10-12 10:03:35,032 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 62 [2020-10-12 10:03:35,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:35,033 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2020-10-12 10:03:35,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 10:03:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2020-10-12 10:03:35,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 10:03:35,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:35,035 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:35,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 10:03:35,035 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:35,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:35,035 INFO L82 PathProgramCache]: Analyzing trace with hash -581076366, now seen corresponding path program 9 times [2020-10-12 10:03:35,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:35,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129434808] [2020-10-12 10:03:35,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 10:03:35,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:35,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-10-12 10:03:35,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 10:03:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:35,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 10:03:35,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:35,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:35,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:35,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:35,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 10:03:35,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 10:03:35,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 10:03:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 10:03:35,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 10:03:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 10:03:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:35,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 10:03:35,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:35,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 10:03:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:35,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:35,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:03:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:35,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:35,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:03:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:35,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:35,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:35,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:35,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:35,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-10-12 10:03:35,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129434808] [2020-10-12 10:03:35,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:35,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 10:03:35,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552230828] [2020-10-12 10:03:35,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 10:03:35,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:35,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 10:03:35,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 10:03:35,680 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand 9 states. [2020-10-12 10:03:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:35,852 INFO L93 Difference]: Finished difference Result 130 states and 133 transitions. [2020-10-12 10:03:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 10:03:35,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-12 10:03:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:35,853 INFO L225 Difference]: With dead ends: 130 [2020-10-12 10:03:35,853 INFO L226 Difference]: Without dead ends: 77 [2020-10-12 10:03:35,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2020-10-12 10:03:35,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-12 10:03:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-10-12 10:03:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-12 10:03:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2020-10-12 10:03:35,874 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 70 [2020-10-12 10:03:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:35,874 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2020-10-12 10:03:35,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 10:03:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2020-10-12 10:03:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-12 10:03:35,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:35,875 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:35,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 10:03:35,876 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:35,877 INFO L82 PathProgramCache]: Analyzing trace with hash -435011442, now seen corresponding path program 10 times [2020-10-12 10:03:35,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:35,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722909152] [2020-10-12 10:03:35,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:35,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:35,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:36,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:36,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:36,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 10:03:36,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:36,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-12 10:03:36,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 10:03:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 10:03:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:37,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:37,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:37,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:37,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 10:03:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 10:03:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:03:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 10:03:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 10:03:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:37,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:37,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 10:03:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:37,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:37,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 10:03:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:37,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:37,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:37,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:03:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:37,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:37,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:03:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:37,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:37,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 10 proven. 86 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 10:03:37,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722909152] [2020-10-12 10:03:37,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:37,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 10:03:37,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896240150] [2020-10-12 10:03:37,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 10:03:37,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:37,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 10:03:37,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-12 10:03:37,463 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand 21 states. [2020-10-12 10:03:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:38,733 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2020-10-12 10:03:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 10:03:38,734 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 72 [2020-10-12 10:03:38,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:38,735 INFO L225 Difference]: With dead ends: 89 [2020-10-12 10:03:38,735 INFO L226 Difference]: Without dead ends: 87 [2020-10-12 10:03:38,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=1293, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 10:03:38,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-12 10:03:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2020-10-12 10:03:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-12 10:03:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2020-10-12 10:03:38,747 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 72 [2020-10-12 10:03:38,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:38,747 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2020-10-12 10:03:38,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 10:03:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2020-10-12 10:03:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-12 10:03:38,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:38,749 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:38,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 10:03:38,749 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:38,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:38,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1264842210, now seen corresponding path program 11 times [2020-10-12 10:03:38,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:38,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342137806] [2020-10-12 10:03:38,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:38,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:38,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 10:03:39,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-12 10:03:39,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 10:03:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 10:03:39,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 10:03:39,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 10:03:39,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 10:03:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 10:03:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 10:03:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:39,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 10:03:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:39,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:39,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 10:03:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:39,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:03:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:39,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:03:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:39,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:39,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:03:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:39,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:39,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:39,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:39,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-12 10:03:39,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342137806] [2020-10-12 10:03:39,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:39,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 10:03:39,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490248648] [2020-10-12 10:03:39,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 10:03:39,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:39,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 10:03:39,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-10-12 10:03:39,328 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand 10 states. [2020-10-12 10:03:39,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:39,510 INFO L93 Difference]: Finished difference Result 148 states and 151 transitions. [2020-10-12 10:03:39,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 10:03:39,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2020-10-12 10:03:39,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:39,511 INFO L225 Difference]: With dead ends: 148 [2020-10-12 10:03:39,512 INFO L226 Difference]: Without dead ends: 87 [2020-10-12 10:03:39,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2020-10-12 10:03:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-12 10:03:39,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2020-10-12 10:03:39,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-12 10:03:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 88 transitions. [2020-10-12 10:03:39,522 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 88 transitions. Word has length 80 [2020-10-12 10:03:39,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:39,522 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 88 transitions. [2020-10-12 10:03:39,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 10:03:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2020-10-12 10:03:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-12 10:03:39,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:39,523 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:39,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 10:03:39,524 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:39,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:39,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1751851718, now seen corresponding path program 12 times [2020-10-12 10:03:39,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:39,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247125560] [2020-10-12 10:03:39,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:39,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:40,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:40,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-12 10:03:40,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-12 10:03:40,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 10:03:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 10:03:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:40,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:40,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:40,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:40,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:40,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:40,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:40,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:40,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:40,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:40,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:40,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:40,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:40,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:40,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:40,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:40,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 10:03:40,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-12 10:03:40,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 10:03:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 10:03:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:41,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 10:03:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:41,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:41,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:41,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:41,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:41,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:41,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:41,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:41,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 10:03:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:41,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:41,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:41,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:41,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:41,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:41,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:41,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 10:03:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:41,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:41,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:41,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:41,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:41,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:41,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:41,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:03:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:41,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:41,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:41,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:41,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:41,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:41,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:41,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:03:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:41,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:41,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:41,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:41,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:41,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:41,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:03:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:41,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:41,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:41,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:41,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:41,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:41,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:41,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:41,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 121 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 10:03:41,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247125560] [2020-10-12 10:03:41,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:41,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 10:03:41,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438116446] [2020-10-12 10:03:41,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 10:03:41,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:41,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 10:03:41,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-12 10:03:41,282 INFO L87 Difference]: Start difference. First operand 86 states and 88 transitions. Second operand 23 states. [2020-10-12 10:03:42,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:42,829 INFO L93 Difference]: Finished difference Result 99 states and 101 transitions. [2020-10-12 10:03:42,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 10:03:42,830 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 82 [2020-10-12 10:03:42,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:42,832 INFO L225 Difference]: With dead ends: 99 [2020-10-12 10:03:42,832 INFO L226 Difference]: Without dead ends: 97 [2020-10-12 10:03:42,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=130, Invalid=1676, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 10:03:42,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-12 10:03:42,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2020-10-12 10:03:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-12 10:03:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2020-10-12 10:03:42,843 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 82 [2020-10-12 10:03:42,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:42,844 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2020-10-12 10:03:42,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 10:03:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2020-10-12 10:03:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 10:03:42,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:42,845 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:42,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 10:03:42,845 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:42,846 INFO L82 PathProgramCache]: Analyzing trace with hash 364722890, now seen corresponding path program 13 times [2020-10-12 10:03:42,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:42,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397685932] [2020-10-12 10:03:42,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:42,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-12 10:03:43,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-12 10:03:43,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:03:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:43,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 10:03:43,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:43,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:43,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 10:03:43,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 10:03:43,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:03:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 10:03:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 10:03:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 10:03:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 10:03:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:03:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:43,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:03:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:03:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:43,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:03:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:43,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:43,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:43,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 14 proven. 49 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-10-12 10:03:43,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397685932] [2020-10-12 10:03:43,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:43,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 10:03:43,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849089034] [2020-10-12 10:03:43,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 10:03:43,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:43,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 10:03:43,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2020-10-12 10:03:43,594 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand 11 states. [2020-10-12 10:03:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:43,804 INFO L93 Difference]: Finished difference Result 166 states and 169 transitions. [2020-10-12 10:03:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 10:03:43,805 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-12 10:03:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:43,806 INFO L225 Difference]: With dead ends: 166 [2020-10-12 10:03:43,806 INFO L226 Difference]: Without dead ends: 97 [2020-10-12 10:03:43,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2020-10-12 10:03:43,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-12 10:03:43,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-10-12 10:03:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-12 10:03:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2020-10-12 10:03:43,816 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 90 [2020-10-12 10:03:43,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:43,817 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2020-10-12 10:03:43,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 10:03:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2020-10-12 10:03:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 10:03:43,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:43,817 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:43,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 10:03:43,818 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:43,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:43,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1796070118, now seen corresponding path program 14 times [2020-10-12 10:03:43,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:43,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221344869] [2020-10-12 10:03:43,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:43,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:43,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:44,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:44,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:44,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 10:03:44,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:44,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1083 [2020-10-12 10:03:44,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 10:03:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:44,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 10:03:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:45,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:45,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 10:03:45,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 10:03:45,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 10:03:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 10:03:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 10:03:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:03:45,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 10:03:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:45,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:03:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:45,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:03:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:45,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:03:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:45,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:03:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:03:45,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:03:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:45,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:45,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:45,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:45,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:45,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:45,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:45,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 14 proven. 162 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 10:03:45,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221344869] [2020-10-12 10:03:45,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:45,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 10:03:45,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123462972] [2020-10-12 10:03:45,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 10:03:45,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:45,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 10:03:45,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-12 10:03:45,769 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand 25 states. [2020-10-12 10:03:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:47,531 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2020-10-12 10:03:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 10:03:47,536 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 92 [2020-10-12 10:03:47,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:47,537 INFO L225 Difference]: With dead ends: 109 [2020-10-12 10:03:47,537 INFO L226 Difference]: Without dead ends: 107 [2020-10-12 10:03:47,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=142, Invalid=2020, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 10:03:47,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-12 10:03:47,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2020-10-12 10:03:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-12 10:03:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 106 transitions. [2020-10-12 10:03:47,548 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 106 transitions. Word has length 92 [2020-10-12 10:03:47,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:47,549 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 106 transitions. [2020-10-12 10:03:47,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 10:03:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2020-10-12 10:03:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-12 10:03:47,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:47,550 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:47,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 10:03:47,551 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:47,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:47,551 INFO L82 PathProgramCache]: Analyzing trace with hash 820235382, now seen corresponding path program 15 times [2020-10-12 10:03:47,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:47,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59397731] [2020-10-12 10:03:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 10:03:48,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:48,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-12 10:03:48,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:03:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:03:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:48,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:48,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 10:03:48,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 10:03:48,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:03:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:03:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 10:03:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 10:03:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:03:48,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:03:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:03:48,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:03:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:03:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:03:48,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:03:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:03:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:03:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 16 proven. 64 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-10-12 10:03:48,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59397731] [2020-10-12 10:03:48,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:48,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 10:03:48,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946098304] [2020-10-12 10:03:48,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 10:03:48,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:48,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 10:03:48,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2020-10-12 10:03:48,310 INFO L87 Difference]: Start difference. First operand 104 states and 106 transitions. Second operand 12 states. [2020-10-12 10:03:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:48,527 INFO L93 Difference]: Finished difference Result 184 states and 187 transitions. [2020-10-12 10:03:48,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 10:03:48,527 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2020-10-12 10:03:48,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:48,528 INFO L225 Difference]: With dead ends: 184 [2020-10-12 10:03:48,528 INFO L226 Difference]: Without dead ends: 107 [2020-10-12 10:03:48,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2020-10-12 10:03:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-12 10:03:48,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2020-10-12 10:03:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-12 10:03:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 108 transitions. [2020-10-12 10:03:48,542 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 108 transitions. Word has length 100 [2020-10-12 10:03:48,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:48,542 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 108 transitions. [2020-10-12 10:03:48,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 10:03:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 108 transitions. [2020-10-12 10:03:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-12 10:03:48,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:48,545 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:48,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 10:03:48,545 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:48,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1525676434, now seen corresponding path program 16 times [2020-10-12 10:03:48,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:48,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267072486] [2020-10-12 10:03:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:48,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:49,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:49,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 10:03:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1180 [2020-10-12 10:03:49,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 10:03:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-12 10:03:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:49,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:49,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:49,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:49,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:49,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:49,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 10:03:50,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 10:03:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 10:03:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 10:03:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 10:03:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:50,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 10:03:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:03:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:03:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:50,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:03:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:50,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:03:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:50,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:03:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:50,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:03:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:50,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:50,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:50,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:50,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:03:50,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 16 proven. 209 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 10:03:50,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267072486] [2020-10-12 10:03:50,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:50,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 10:03:50,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607325645] [2020-10-12 10:03:50,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 10:03:50,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:50,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 10:03:50,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-12 10:03:50,676 INFO L87 Difference]: Start difference. First operand 106 states and 108 transitions. Second operand 27 states. [2020-10-12 10:03:52,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:52,740 INFO L93 Difference]: Finished difference Result 119 states and 121 transitions. [2020-10-12 10:03:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 10:03:52,741 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 102 [2020-10-12 10:03:52,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:52,742 INFO L225 Difference]: With dead ends: 119 [2020-10-12 10:03:52,742 INFO L226 Difference]: Without dead ends: 117 [2020-10-12 10:03:52,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=2301, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 10:03:52,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-12 10:03:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2020-10-12 10:03:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-12 10:03:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 116 transitions. [2020-10-12 10:03:52,755 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 116 transitions. Word has length 102 [2020-10-12 10:03:52,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:52,755 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 116 transitions. [2020-10-12 10:03:52,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 10:03:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 116 transitions. [2020-10-12 10:03:52,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 10:03:52,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:52,757 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:52,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 10:03:52,757 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:52,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1044218078, now seen corresponding path program 17 times [2020-10-12 10:03:52,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:52,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419488551] [2020-10-12 10:03:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:52,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:52,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-12 10:03:53,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-12 10:03:53,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 10:03:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:03:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 10:03:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:53,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:53,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:53,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 10:03:53,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 10:03:53,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 10:03:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:03:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 10:03:53,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 10:03:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 10:03:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:03:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:03:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:03:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:03:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:03:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:03:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:03:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:53,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:53,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:53,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:53,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:53,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:03:53,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:03:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:53,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 18 proven. 81 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-10-12 10:03:53,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419488551] [2020-10-12 10:03:53,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:53,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 10:03:53,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71408826] [2020-10-12 10:03:53,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 10:03:53,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:53,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 10:03:53,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2020-10-12 10:03:53,616 INFO L87 Difference]: Start difference. First operand 114 states and 116 transitions. Second operand 13 states. [2020-10-12 10:03:53,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:53,961 INFO L93 Difference]: Finished difference Result 202 states and 205 transitions. [2020-10-12 10:03:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 10:03:53,962 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2020-10-12 10:03:53,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:53,963 INFO L225 Difference]: With dead ends: 202 [2020-10-12 10:03:53,963 INFO L226 Difference]: Without dead ends: 117 [2020-10-12 10:03:53,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2020-10-12 10:03:53,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-12 10:03:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2020-10-12 10:03:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-12 10:03:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 118 transitions. [2020-10-12 10:03:53,977 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 118 transitions. Word has length 110 [2020-10-12 10:03:53,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:53,977 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 118 transitions. [2020-10-12 10:03:53,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 10:03:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 118 transitions. [2020-10-12 10:03:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 10:03:53,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:53,979 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:53,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 10:03:53,979 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:53,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:53,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1228798270, now seen corresponding path program 18 times [2020-10-12 10:03:53,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:53,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016249379] [2020-10-12 10:03:53,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:54,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:55,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:55,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 10:03:55,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:03:55,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1427 [2020-10-12 10:03:55,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 10:03:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:03:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 10:03:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:55,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:03:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:55,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:55,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:03:55,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:55,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:55,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:03:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:03:55,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:03:55,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:03:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:55,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:55,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 10:03:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:03:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-12 10:03:56,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 10:03:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 10:03:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 10:03:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 10:03:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:03:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:03:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:03:56,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:03:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:03:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:03:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:03:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:03:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:56,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:03:56,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:03:56,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:03:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:03:56,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:03:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:03:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:03:56,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:03:56,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:03:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 18 proven. 262 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 10:03:56,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016249379] [2020-10-12 10:03:56,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:03:56,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 10:03:56,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310350870] [2020-10-12 10:03:56,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 10:03:56,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:03:56,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 10:03:56,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-12 10:03:56,867 INFO L87 Difference]: Start difference. First operand 116 states and 118 transitions. Second operand 29 states. [2020-10-12 10:03:59,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:03:59,470 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2020-10-12 10:03:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 10:03:59,471 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 112 [2020-10-12 10:03:59,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:03:59,472 INFO L225 Difference]: With dead ends: 129 [2020-10-12 10:03:59,472 INFO L226 Difference]: Without dead ends: 127 [2020-10-12 10:03:59,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=166, Invalid=2804, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 10:03:59,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-12 10:03:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2020-10-12 10:03:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-12 10:03:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2020-10-12 10:03:59,488 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 112 [2020-10-12 10:03:59,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:03:59,489 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2020-10-12 10:03:59,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 10:03:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2020-10-12 10:03:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-12 10:03:59,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:03:59,490 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:03:59,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 10:03:59,491 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:03:59,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:03:59,491 INFO L82 PathProgramCache]: Analyzing trace with hash -610528562, now seen corresponding path program 19 times [2020-10-12 10:03:59,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:03:59,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771280339] [2020-10-12 10:03:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:03:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:03:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:03:59,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-12 10:04:00,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 763 [2020-10-12 10:04:00,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 10:04:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:00,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 10:04:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:00,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 10:04:00,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 10:04:00,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 10:04:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 10:04:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 10:04:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 10:04:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:04:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:04:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:04:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:04:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:04:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:04:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:04:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:04:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:04:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:04:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:04:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:04:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:04:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:00,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:00,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:00,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 20 proven. 100 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2020-10-12 10:04:00,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771280339] [2020-10-12 10:04:00,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:00,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 10:04:00,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873598679] [2020-10-12 10:04:00,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 10:04:00,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:00,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 10:04:00,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2020-10-12 10:04:00,532 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand 14 states. [2020-10-12 10:04:00,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:00,802 INFO L93 Difference]: Finished difference Result 220 states and 223 transitions. [2020-10-12 10:04:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 10:04:00,805 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 120 [2020-10-12 10:04:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:00,806 INFO L225 Difference]: With dead ends: 220 [2020-10-12 10:04:00,806 INFO L226 Difference]: Without dead ends: 127 [2020-10-12 10:04:00,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=234, Invalid=366, Unknown=0, NotChecked=0, Total=600 [2020-10-12 10:04:00,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-12 10:04:00,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 126. [2020-10-12 10:04:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-12 10:04:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2020-10-12 10:04:00,824 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 120 [2020-10-12 10:04:00,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:00,825 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2020-10-12 10:04:00,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 10:04:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2020-10-12 10:04:00,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-12 10:04:00,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:00,827 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:00,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 10:04:00,828 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:00,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:00,828 INFO L82 PathProgramCache]: Analyzing trace with hash -880109078, now seen corresponding path program 20 times [2020-10-12 10:04:00,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:00,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92634731] [2020-10-12 10:04:00,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:00,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:02,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:02,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-12 10:04:02,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1299 [2020-10-12 10:04:02,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 10:04:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 10:04:02,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:02,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:02,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:02,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:02,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:02,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:02,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:02,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:02,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:02,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:02,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:02,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:02,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 10:04:02,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:02,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 10:04:02,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 10:04:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:02,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 10:04:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 10:04:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:03,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 10:04:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:03,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:04:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:03,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:04:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:04:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:04:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:04:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:03,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:04:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:03,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:04:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:03,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:04:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:03,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:03,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 20 proven. 321 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 10:04:03,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92634731] [2020-10-12 10:04:03,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:03,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 10:04:03,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871663779] [2020-10-12 10:04:03,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 10:04:03,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:03,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 10:04:03,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-12 10:04:03,310 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand 31 states. [2020-10-12 10:04:05,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:05,922 INFO L93 Difference]: Finished difference Result 139 states and 141 transitions. [2020-10-12 10:04:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 10:04:05,923 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 122 [2020-10-12 10:04:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:05,925 INFO L225 Difference]: With dead ends: 139 [2020-10-12 10:04:05,925 INFO L226 Difference]: Without dead ends: 137 [2020-10-12 10:04:05,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=173, Invalid=3133, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 10:04:05,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-12 10:04:05,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2020-10-12 10:04:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-12 10:04:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2020-10-12 10:04:05,936 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 122 [2020-10-12 10:04:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:05,937 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2020-10-12 10:04:05,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 10:04:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2020-10-12 10:04:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 10:04:05,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:05,938 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:05,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 10:04:05,939 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:05,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:05,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1253881990, now seen corresponding path program 21 times [2020-10-12 10:04:05,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:05,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216575435] [2020-10-12 10:04:05,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:05,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 10:04:06,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-12 10:04:06,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 10:04:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 10:04:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:06,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 10:04:06,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 10:04:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 10:04:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:04:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:06,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:04:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:06,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:04:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:06,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:04:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:04:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:06,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:04:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:04:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:04:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:04:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:06,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:06,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:06,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:06,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:06,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:06,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:06,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:06,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 22 proven. 121 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2020-10-12 10:04:06,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216575435] [2020-10-12 10:04:06,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:06,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 10:04:06,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433537912] [2020-10-12 10:04:06,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 10:04:06,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:06,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 10:04:06,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2020-10-12 10:04:06,751 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand 15 states. [2020-10-12 10:04:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:07,124 INFO L93 Difference]: Finished difference Result 238 states and 241 transitions. [2020-10-12 10:04:07,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 10:04:07,125 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 130 [2020-10-12 10:04:07,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:07,126 INFO L225 Difference]: With dead ends: 238 [2020-10-12 10:04:07,126 INFO L226 Difference]: Without dead ends: 137 [2020-10-12 10:04:07,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2020-10-12 10:04:07,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-12 10:04:07,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2020-10-12 10:04:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-12 10:04:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2020-10-12 10:04:07,143 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 130 [2020-10-12 10:04:07,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:07,144 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2020-10-12 10:04:07,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 10:04:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2020-10-12 10:04:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 10:04:07,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:07,145 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:07,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 10:04:07,146 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:07,146 INFO L82 PathProgramCache]: Analyzing trace with hash -151479402, now seen corresponding path program 22 times [2020-10-12 10:04:07,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:07,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953880796] [2020-10-12 10:04:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:07,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:07,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:08,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:08,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 10:04:08,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-12 10:04:08,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 10:04:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:08,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-12 10:04:08,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:09,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:09,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 10:04:09,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:09,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 10:04:09,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 10:04:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 10:04:09,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 10:04:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:04:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:04:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:04:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:04:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:09,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:04:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:04:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:04:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:04:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:09,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:04:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:09,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:04:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:09,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:09,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:09,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:09,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 22 proven. 386 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 10:04:09,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953880796] [2020-10-12 10:04:09,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:09,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 10:04:09,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320547060] [2020-10-12 10:04:09,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 10:04:09,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:09,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 10:04:09,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 10:04:09,932 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand 33 states. [2020-10-12 10:04:12,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:12,988 INFO L93 Difference]: Finished difference Result 149 states and 151 transitions. [2020-10-12 10:04:12,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 10:04:12,989 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 132 [2020-10-12 10:04:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:12,991 INFO L225 Difference]: With dead ends: 149 [2020-10-12 10:04:12,991 INFO L226 Difference]: Without dead ends: 147 [2020-10-12 10:04:12,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=190, Invalid=3716, Unknown=0, NotChecked=0, Total=3906 [2020-10-12 10:04:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-12 10:04:13,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2020-10-12 10:04:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-12 10:04:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 146 transitions. [2020-10-12 10:04:13,005 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 146 transitions. Word has length 132 [2020-10-12 10:04:13,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:13,005 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 146 transitions. [2020-10-12 10:04:13,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 10:04:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 146 transitions. [2020-10-12 10:04:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-12 10:04:13,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:13,007 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:13,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 10:04:13,008 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:13,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:13,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1964694822, now seen corresponding path program 23 times [2020-10-12 10:04:13,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:13,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654427432] [2020-10-12 10:04:13,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 10:04:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:13,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:13,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:13,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 10:04:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 10:04:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:04:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:13,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:04:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:04:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:04:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:04:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:04:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:04:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:04:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:04:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:04:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:13,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 10:04:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:13,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:13,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:13,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:13,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:13,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 24 proven. 144 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-12 10:04:13,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654427432] [2020-10-12 10:04:13,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:13,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 10:04:13,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188984329] [2020-10-12 10:04:13,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 10:04:13,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:13,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 10:04:13,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2020-10-12 10:04:13,858 INFO L87 Difference]: Start difference. First operand 144 states and 146 transitions. Second operand 16 states. [2020-10-12 10:04:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:14,199 INFO L93 Difference]: Finished difference Result 256 states and 259 transitions. [2020-10-12 10:04:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 10:04:14,199 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 140 [2020-10-12 10:04:14,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:14,201 INFO L225 Difference]: With dead ends: 256 [2020-10-12 10:04:14,201 INFO L226 Difference]: Without dead ends: 147 [2020-10-12 10:04:14,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2020-10-12 10:04:14,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-12 10:04:14,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 146. [2020-10-12 10:04:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-12 10:04:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 148 transitions. [2020-10-12 10:04:14,215 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 148 transitions. Word has length 140 [2020-10-12 10:04:14,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:14,216 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 148 transitions. [2020-10-12 10:04:14,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 10:04:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2020-10-12 10:04:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-12 10:04:14,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:14,218 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:14,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 10:04:14,218 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:14,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:14,218 INFO L82 PathProgramCache]: Analyzing trace with hash 742047298, now seen corresponding path program 24 times [2020-10-12 10:04:14,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:14,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686595226] [2020-10-12 10:04:14,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:14,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:14,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:15,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:15,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-12 10:04:15,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1303 [2020-10-12 10:04:15,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 10:04:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-12 10:04:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:15,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:15,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:15,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:15,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:04:15,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:15,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:15,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:15,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:16,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:16,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:16,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 10:04:16,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:16,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-12 10:04:16,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 10:04:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 10:04:16,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 10:04:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:04:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:04:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:17,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:04:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:17,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:04:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:04:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:17,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:04:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:17,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:04:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:17,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 10:04:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:17,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 10:04:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:17,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 10:04:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:17,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 10:04:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:17,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:17,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:17,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 24 proven. 457 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 10:04:17,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686595226] [2020-10-12 10:04:17,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:17,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 10:04:17,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306093520] [2020-10-12 10:04:17,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 10:04:17,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:17,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 10:04:17,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 10:04:17,415 INFO L87 Difference]: Start difference. First operand 146 states and 148 transitions. Second operand 35 states. [2020-10-12 10:04:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:21,216 INFO L93 Difference]: Finished difference Result 159 states and 161 transitions. [2020-10-12 10:04:21,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 10:04:21,217 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 142 [2020-10-12 10:04:21,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:21,219 INFO L225 Difference]: With dead ends: 159 [2020-10-12 10:04:21,219 INFO L226 Difference]: Without dead ends: 157 [2020-10-12 10:04:21,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=202, Invalid=4220, Unknown=0, NotChecked=0, Total=4422 [2020-10-12 10:04:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-12 10:04:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2020-10-12 10:04:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-12 10:04:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 156 transitions. [2020-10-12 10:04:21,239 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 156 transitions. Word has length 142 [2020-10-12 10:04:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:21,242 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 156 transitions. [2020-10-12 10:04:21,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 10:04:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 156 transitions. [2020-10-12 10:04:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 10:04:21,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:21,243 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:21,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 10:04:21,244 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:21,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:21,244 INFO L82 PathProgramCache]: Analyzing trace with hash -48917550, now seen corresponding path program 25 times [2020-10-12 10:04:21,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:21,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286266829] [2020-10-12 10:04:21,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:21,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:21,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 10:04:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:21,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:21,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:21,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 10:04:22,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 10:04:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:04:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:22,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:04:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:04:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:22,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:04:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:04:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:04:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:04:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 10:04:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 10:04:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 10:04:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 10:04:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 10:04:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:22,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:22,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:22,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:22,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:22,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 26 proven. 169 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2020-10-12 10:04:22,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286266829] [2020-10-12 10:04:22,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:22,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 10:04:22,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636874562] [2020-10-12 10:04:22,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 10:04:22,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:22,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 10:04:22,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2020-10-12 10:04:22,278 INFO L87 Difference]: Start difference. First operand 154 states and 156 transitions. Second operand 17 states. [2020-10-12 10:04:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:22,669 INFO L93 Difference]: Finished difference Result 274 states and 277 transitions. [2020-10-12 10:04:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 10:04:22,670 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 150 [2020-10-12 10:04:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:22,671 INFO L225 Difference]: With dead ends: 274 [2020-10-12 10:04:22,671 INFO L226 Difference]: Without dead ends: 157 [2020-10-12 10:04:22,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2020-10-12 10:04:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-12 10:04:22,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2020-10-12 10:04:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-12 10:04:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 158 transitions. [2020-10-12 10:04:22,685 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 158 transitions. Word has length 150 [2020-10-12 10:04:22,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:22,686 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 158 transitions. [2020-10-12 10:04:22,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 10:04:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 158 transitions. [2020-10-12 10:04:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 10:04:22,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:22,687 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:22,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 10:04:22,687 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:22,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:22,687 INFO L82 PathProgramCache]: Analyzing trace with hash -476855826, now seen corresponding path program 26 times [2020-10-12 10:04:22,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:22,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990547106] [2020-10-12 10:04:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:22,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:24,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-12 10:04:24,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1733 [2020-10-12 10:04:24,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 10:04:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-12 10:04:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:24,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:24,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:24,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:24,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:24,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:24,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:24,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 10:04:24,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:24,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 10:04:24,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 10:04:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:24,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 10:04:24,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 10:04:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:04:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:04:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:04:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:04:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:04:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:04:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:04:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:04:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 10:04:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 10:04:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:25,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 10:04:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:25,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 10:04:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:25,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:25,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 26 proven. 534 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 10:04:26,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990547106] [2020-10-12 10:04:26,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:26,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 10:04:26,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715602176] [2020-10-12 10:04:26,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 10:04:26,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:26,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 10:04:26,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 10:04:26,033 INFO L87 Difference]: Start difference. First operand 156 states and 158 transitions. Second operand 37 states. [2020-10-12 10:04:29,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:29,918 INFO L93 Difference]: Finished difference Result 169 states and 171 transitions. [2020-10-12 10:04:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 10:04:29,920 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 152 [2020-10-12 10:04:29,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:29,922 INFO L225 Difference]: With dead ends: 169 [2020-10-12 10:04:29,922 INFO L226 Difference]: Without dead ends: 167 [2020-10-12 10:04:29,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=209, Invalid=4621, Unknown=0, NotChecked=0, Total=4830 [2020-10-12 10:04:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-12 10:04:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2020-10-12 10:04:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-12 10:04:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 166 transitions. [2020-10-12 10:04:29,939 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 166 transitions. Word has length 152 [2020-10-12 10:04:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:29,939 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 166 transitions. [2020-10-12 10:04:29,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 10:04:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 166 transitions. [2020-10-12 10:04:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 10:04:29,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:29,941 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:29,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 10:04:29,941 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:29,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1229575298, now seen corresponding path program 27 times [2020-10-12 10:04:29,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:29,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331114144] [2020-10-12 10:04:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:30,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 10:04:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:30,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:30,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:30,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:30,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:30,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:30,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:30,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:30,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:30,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:30,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:30,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:30,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 10:04:30,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 10:04:30,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 10:04:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 10:04:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 10:04:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:04:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:04:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:04:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:04:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:04:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:04:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:04:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:04:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 10:04:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 10:04:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 10:04:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 10:04:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 10:04:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:31,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:31,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:31,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:31,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:31,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:31,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:31,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:31,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 28 proven. 196 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2020-10-12 10:04:31,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331114144] [2020-10-12 10:04:31,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:31,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 10:04:31,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306107556] [2020-10-12 10:04:31,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 10:04:31,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:31,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 10:04:31,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2020-10-12 10:04:31,194 INFO L87 Difference]: Start difference. First operand 164 states and 166 transitions. Second operand 18 states. [2020-10-12 10:04:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:31,684 INFO L93 Difference]: Finished difference Result 292 states and 295 transitions. [2020-10-12 10:04:31,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 10:04:31,684 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 160 [2020-10-12 10:04:31,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:31,686 INFO L225 Difference]: With dead ends: 292 [2020-10-12 10:04:31,686 INFO L226 Difference]: Without dead ends: 167 [2020-10-12 10:04:31,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=408, Invalid=648, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 10:04:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-12 10:04:31,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 166. [2020-10-12 10:04:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-12 10:04:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 168 transitions. [2020-10-12 10:04:31,706 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 168 transitions. Word has length 160 [2020-10-12 10:04:31,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:31,707 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 168 transitions. [2020-10-12 10:04:31,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 10:04:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 168 transitions. [2020-10-12 10:04:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 10:04:31,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:31,709 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:31,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 10:04:31,709 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:31,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:31,709 INFO L82 PathProgramCache]: Analyzing trace with hash 2027316890, now seen corresponding path program 28 times [2020-10-12 10:04:31,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:31,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52052789] [2020-10-12 10:04:31,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:33,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:33,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-12 10:04:33,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1594 [2020-10-12 10:04:33,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 10:04:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-12 10:04:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:33,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:33,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:33,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:33,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:33,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:33,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:33,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:33,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:33,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 10:04:33,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:33,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 10:04:33,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 10:04:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 10:04:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 10:04:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:04:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:35,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:04:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:04:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:04:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:04:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:04:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:04:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:04:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:04:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 10:04:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:35,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 10:04:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:35,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 10:04:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 10:04:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:35,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:35,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:35,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:35,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:35,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:35,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 28 proven. 617 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 10:04:35,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52052789] [2020-10-12 10:04:35,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:35,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 10:04:35,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333417831] [2020-10-12 10:04:35,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 10:04:35,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:35,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 10:04:35,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 10:04:35,137 INFO L87 Difference]: Start difference. First operand 166 states and 168 transitions. Second operand 39 states. [2020-10-12 10:04:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:39,569 INFO L93 Difference]: Finished difference Result 179 states and 181 transitions. [2020-10-12 10:04:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 10:04:39,571 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 162 [2020-10-12 10:04:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:39,573 INFO L225 Difference]: With dead ends: 179 [2020-10-12 10:04:39,573 INFO L226 Difference]: Without dead ends: 177 [2020-10-12 10:04:39,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=221, Invalid=5181, Unknown=0, NotChecked=0, Total=5402 [2020-10-12 10:04:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-12 10:04:39,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 174. [2020-10-12 10:04:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-12 10:04:39,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 176 transitions. [2020-10-12 10:04:39,594 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 176 transitions. Word has length 162 [2020-10-12 10:04:39,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:39,594 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 176 transitions. [2020-10-12 10:04:39,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 10:04:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 176 transitions. [2020-10-12 10:04:39,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-12 10:04:39,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:39,596 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:39,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 10:04:39,596 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:39,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:39,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1594844202, now seen corresponding path program 29 times [2020-10-12 10:04:39,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:39,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329845180] [2020-10-12 10:04:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:39,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:39,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-12 10:04:40,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:40,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 732 [2020-10-12 10:04:40,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 10:04:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 10:04:40,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:40,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:40,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:40,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 10:04:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 10:04:40,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 10:04:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:40,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:04:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:04:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:04:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:04:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:04:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:04:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:04:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:04:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:04:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 10:04:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 10:04:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 10:04:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 10:04:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 10:04:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:40,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:40,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:40,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:40,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:40,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:40,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 30 proven. 225 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2020-10-12 10:04:40,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329845180] [2020-10-12 10:04:40,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:40,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 10:04:40,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319406498] [2020-10-12 10:04:40,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 10:04:40,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:40,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 10:04:40,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2020-10-12 10:04:40,713 INFO L87 Difference]: Start difference. First operand 174 states and 176 transitions. Second operand 19 states. [2020-10-12 10:04:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:41,205 INFO L93 Difference]: Finished difference Result 310 states and 313 transitions. [2020-10-12 10:04:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 10:04:41,206 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 170 [2020-10-12 10:04:41,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:41,207 INFO L225 Difference]: With dead ends: 310 [2020-10-12 10:04:41,207 INFO L226 Difference]: Without dead ends: 177 [2020-10-12 10:04:41,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 10:04:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-12 10:04:41,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 176. [2020-10-12 10:04:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-10-12 10:04:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 178 transitions. [2020-10-12 10:04:41,230 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 178 transitions. Word has length 170 [2020-10-12 10:04:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:41,230 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 178 transitions. [2020-10-12 10:04:41,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 10:04:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 178 transitions. [2020-10-12 10:04:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-12 10:04:41,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:41,232 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:41,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 10:04:41,232 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:41,233 INFO L82 PathProgramCache]: Analyzing trace with hash -144348090, now seen corresponding path program 30 times [2020-10-12 10:04:41,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:41,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602460926] [2020-10-12 10:04:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:41,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:41,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:43,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1782 [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:43,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-12 10:04:43,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:43,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:43,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:43,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:43,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:43,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:43,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 10:04:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 10:04:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 10:04:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 10:04:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:04:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:04:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:04:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:04:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:04:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:04:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:44,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:04:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:44,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:04:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:44,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:04:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:04:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 10:04:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 10:04:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 10:04:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 10:04:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 10:04:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:44,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:44,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:44,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:44,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:04:44,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 30 proven. 706 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 10:04:44,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602460926] [2020-10-12 10:04:44,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:44,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-12 10:04:44,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565047750] [2020-10-12 10:04:44,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-12 10:04:45,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:45,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-12 10:04:45,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 10:04:45,001 INFO L87 Difference]: Start difference. First operand 176 states and 178 transitions. Second operand 41 states. [2020-10-12 10:04:49,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:49,988 INFO L93 Difference]: Finished difference Result 189 states and 191 transitions. [2020-10-12 10:04:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 10:04:49,992 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 172 [2020-10-12 10:04:49,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:49,993 INFO L225 Difference]: With dead ends: 189 [2020-10-12 10:04:49,993 INFO L226 Difference]: Without dead ends: 187 [2020-10-12 10:04:49,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=238, Invalid=5924, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 10:04:49,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-12 10:04:50,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2020-10-12 10:04:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-12 10:04:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 186 transitions. [2020-10-12 10:04:50,013 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 186 transitions. Word has length 172 [2020-10-12 10:04:50,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:50,013 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 186 transitions. [2020-10-12 10:04:50,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-12 10:04:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 186 transitions. [2020-10-12 10:04:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-12 10:04:50,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:50,015 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:50,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 10:04:50,015 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:50,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:50,016 INFO L82 PathProgramCache]: Analyzing trace with hash -758907434, now seen corresponding path program 31 times [2020-10-12 10:04:50,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:50,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213405137] [2020-10-12 10:04:50,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:50,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-12 10:04:51,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-10-12 10:04:51,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 10:04:51,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:04:51,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 10:04:51,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:51,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:51,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 10:04:51,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-12 10:04:51,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 10:04:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:04:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 10:04:51,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 10:04:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:04:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:04:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:04:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:04:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:51,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:04:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:04:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:04:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:04:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:04:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 10:04:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 10:04:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 10:04:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 10:04:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 10:04:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 10:04:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:51,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:51,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:51,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:51,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:04:51,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:04:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 32 proven. 256 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2020-10-12 10:04:51,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213405137] [2020-10-12 10:04:51,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:51,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 10:04:51,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276212919] [2020-10-12 10:04:51,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 10:04:51,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:51,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 10:04:51,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2020-10-12 10:04:51,545 INFO L87 Difference]: Start difference. First operand 184 states and 186 transitions. Second operand 20 states. [2020-10-12 10:04:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:04:52,113 INFO L93 Difference]: Finished difference Result 328 states and 331 transitions. [2020-10-12 10:04:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 10:04:52,114 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 180 [2020-10-12 10:04:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:04:52,116 INFO L225 Difference]: With dead ends: 328 [2020-10-12 10:04:52,116 INFO L226 Difference]: Without dead ends: 187 [2020-10-12 10:04:52,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=513, Invalid=819, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 10:04:52,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-12 10:04:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 186. [2020-10-12 10:04:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-12 10:04:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 188 transitions. [2020-10-12 10:04:52,136 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 188 transitions. Word has length 180 [2020-10-12 10:04:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:04:52,137 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 188 transitions. [2020-10-12 10:04:52,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 10:04:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 188 transitions. [2020-10-12 10:04:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 10:04:52,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:04:52,139 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:04:52,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 10:04:52,139 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:04:52,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:04:52,139 INFO L82 PathProgramCache]: Analyzing trace with hash -432827662, now seen corresponding path program 32 times [2020-10-12 10:04:52,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:04:52,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639288349] [2020-10-12 10:04:52,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:04:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:52,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:52,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:52,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:54,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:54,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-12 10:04:54,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:04:54,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2234 [2020-10-12 10:04:54,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 10:04:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:04:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-12 10:04:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:54,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:04:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:54,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:54,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:04:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:54,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:54,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:04:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:04:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:54,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:04:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:55,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:55,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 10:04:55,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:04:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:04:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:04:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:04:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:04:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:04:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:04:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 10:04:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 10:04:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 10:04:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 10:04:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 10:04:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 10:04:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 10:04:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 10:04:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 10:04:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:04:56,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:04:56,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:04:56,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:04:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 32 proven. 801 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 10:04:56,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639288349] [2020-10-12 10:04:56,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:04:56,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-12 10:04:56,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314179883] [2020-10-12 10:04:56,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-12 10:04:56,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:04:56,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-12 10:04:56,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 10:04:56,657 INFO L87 Difference]: Start difference. First operand 186 states and 188 transitions. Second operand 43 states. [2020-10-12 10:05:02,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:02,164 INFO L93 Difference]: Finished difference Result 199 states and 201 transitions. [2020-10-12 10:05:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 10:05:02,166 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 182 [2020-10-12 10:05:02,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:02,168 INFO L225 Difference]: With dead ends: 199 [2020-10-12 10:05:02,168 INFO L226 Difference]: Without dead ends: 197 [2020-10-12 10:05:02,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=250, Invalid=6556, Unknown=0, NotChecked=0, Total=6806 [2020-10-12 10:05:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-12 10:05:02,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2020-10-12 10:05:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-12 10:05:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 196 transitions. [2020-10-12 10:05:02,187 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 196 transitions. Word has length 182 [2020-10-12 10:05:02,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:02,188 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 196 transitions. [2020-10-12 10:05:02,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-12 10:05:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 196 transitions. [2020-10-12 10:05:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-12 10:05:02,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:02,190 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:02,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-12 10:05:02,190 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:02,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:02,190 INFO L82 PathProgramCache]: Analyzing trace with hash -637093758, now seen corresponding path program 33 times [2020-10-12 10:05:02,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:02,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147480728] [2020-10-12 10:05:02,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:02,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:02,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:03,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 10:05:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1384 [2020-10-12 10:05:03,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 10:05:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:05:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 10:05:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:03,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:03,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:03,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:03,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 10:05:03,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:05:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 10:05:03,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 10:05:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:03,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:03,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:03,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:03,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:05:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:03,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:03,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:03,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:03,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:03,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:03,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:03,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:05:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:03,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:03,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:03,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:03,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:03,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:03,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:05:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:05:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:05:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:05:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 10:05:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:04,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 10:05:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 10:05:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 10:05:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 10:05:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 10:05:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 10:05:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 10:05:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 10:05:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 10:05:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:04,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:04,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:04,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 34 proven. 289 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2020-10-12 10:05:04,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147480728] [2020-10-12 10:05:04,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:04,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 10:05:04,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135456988] [2020-10-12 10:05:04,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 10:05:04,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:04,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 10:05:04,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2020-10-12 10:05:04,086 INFO L87 Difference]: Start difference. First operand 194 states and 196 transitions. Second operand 21 states. [2020-10-12 10:05:04,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:04,694 INFO L93 Difference]: Finished difference Result 346 states and 349 transitions. [2020-10-12 10:05:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 10:05:04,695 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 190 [2020-10-12 10:05:04,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:04,696 INFO L225 Difference]: With dead ends: 346 [2020-10-12 10:05:04,696 INFO L226 Difference]: Without dead ends: 197 [2020-10-12 10:05:04,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 10:05:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-12 10:05:04,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 196. [2020-10-12 10:05:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-12 10:05:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2020-10-12 10:05:04,717 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 190 [2020-10-12 10:05:04,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:04,717 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2020-10-12 10:05:04,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 10:05:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2020-10-12 10:05:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-12 10:05:04,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:04,719 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:04,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-12 10:05:04,719 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:04,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:04,720 INFO L82 PathProgramCache]: Analyzing trace with hash 331586206, now seen corresponding path program 34 times [2020-10-12 10:05:04,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:04,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732949446] [2020-10-12 10:05:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:04,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:06,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2621 [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 221 [2020-10-12 10:05:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:07,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:07,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:07,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:07,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:08,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:08,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:08,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 10:05:08,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 10:05:08,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 10:05:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 10:05:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:05:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:09,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:05:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:05:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:05:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:05:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:05:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:05:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:05:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 10:05:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 10:05:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 10:05:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 10:05:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 10:05:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 10:05:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 10:05:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 10:05:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 10:05:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:09,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:09,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:09,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:09,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 34 proven. 902 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 10:05:09,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732949446] [2020-10-12 10:05:09,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:09,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-12 10:05:09,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767025690] [2020-10-12 10:05:09,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-12 10:05:09,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:09,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-12 10:05:09,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 10:05:09,819 INFO L87 Difference]: Start difference. First operand 196 states and 198 transitions. Second operand 45 states. [2020-10-12 10:05:15,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:15,793 INFO L93 Difference]: Finished difference Result 209 states and 211 transitions. [2020-10-12 10:05:15,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 10:05:15,795 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 192 [2020-10-12 10:05:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:15,797 INFO L225 Difference]: With dead ends: 209 [2020-10-12 10:05:15,797 INFO L226 Difference]: Without dead ends: 207 [2020-10-12 10:05:15,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=259, Invalid=7051, Unknown=0, NotChecked=0, Total=7310 [2020-10-12 10:05:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-10-12 10:05:15,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2020-10-12 10:05:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-12 10:05:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 206 transitions. [2020-10-12 10:05:15,818 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 206 transitions. Word has length 192 [2020-10-12 10:05:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:15,818 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 206 transitions. [2020-10-12 10:05:15,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-12 10:05:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 206 transitions. [2020-10-12 10:05:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-12 10:05:15,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:15,820 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:15,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-12 10:05:15,820 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:15,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:15,821 INFO L82 PathProgramCache]: Analyzing trace with hash -191212498, now seen corresponding path program 35 times [2020-10-12 10:05:15,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:15,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190063643] [2020-10-12 10:05:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:15,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:15,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-12 10:05:17,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1326 [2020-10-12 10:05:17,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 10:05:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:05:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 10:05:17,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 10:05:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 10:05:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:05:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:05:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:05:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:05:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:17,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:05:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:05:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:05:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 10:05:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 10:05:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 10:05:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 10:05:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 10:05:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 10:05:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 10:05:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 10:05:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 10:05:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:17,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 10:05:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:17,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:17,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:17,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:17,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:17,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:17,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:17,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 36 proven. 324 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2020-10-12 10:05:17,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190063643] [2020-10-12 10:05:17,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:17,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 10:05:17,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037500507] [2020-10-12 10:05:17,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 10:05:17,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:17,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 10:05:17,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2020-10-12 10:05:17,695 INFO L87 Difference]: Start difference. First operand 204 states and 206 transitions. Second operand 22 states. [2020-10-12 10:05:18,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:18,422 INFO L93 Difference]: Finished difference Result 364 states and 367 transitions. [2020-10-12 10:05:18,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 10:05:18,424 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 200 [2020-10-12 10:05:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:18,426 INFO L225 Difference]: With dead ends: 364 [2020-10-12 10:05:18,426 INFO L226 Difference]: Without dead ends: 207 [2020-10-12 10:05:18,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=630, Invalid=1010, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 10:05:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-10-12 10:05:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 206. [2020-10-12 10:05:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-12 10:05:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 208 transitions. [2020-10-12 10:05:18,445 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 208 transitions. Word has length 200 [2020-10-12 10:05:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:18,445 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 208 transitions. [2020-10-12 10:05:18,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 10:05:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 208 transitions. [2020-10-12 10:05:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-12 10:05:18,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:18,447 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:18,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-12 10:05:18,447 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:18,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:18,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1646805834, now seen corresponding path program 36 times [2020-10-12 10:05:18,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:18,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566287093] [2020-10-12 10:05:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:18,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:19,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:20,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2440 [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:05:20,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-12 10:05:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:21,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:21,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:21,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:21,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:21,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:21,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:21,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:21,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 10:05:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:05:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:05:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:05:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:05:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:05:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:05:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:05:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:05:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:05:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 10:05:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 10:05:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 10:05:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 10:05:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 10:05:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 10:05:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 10:05:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 10:05:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:23,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 10:05:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:23,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:23,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:23,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:23,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:23,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:23,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:23,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:23,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:23,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1657 backedges. 36 proven. 1009 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 10:05:24,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566287093] [2020-10-12 10:05:24,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:24,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-12 10:05:24,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747647564] [2020-10-12 10:05:24,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-12 10:05:24,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:24,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-12 10:05:24,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=2070, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 10:05:24,050 INFO L87 Difference]: Start difference. First operand 206 states and 208 transitions. Second operand 47 states. [2020-10-12 10:05:31,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:31,529 INFO L93 Difference]: Finished difference Result 219 states and 221 transitions. [2020-10-12 10:05:31,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-12 10:05:31,531 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 202 [2020-10-12 10:05:31,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:31,536 INFO L225 Difference]: With dead ends: 219 [2020-10-12 10:05:31,536 INFO L226 Difference]: Without dead ends: 217 [2020-10-12 10:05:31,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=271, Invalid=7739, Unknown=0, NotChecked=0, Total=8010 [2020-10-12 10:05:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-12 10:05:31,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2020-10-12 10:05:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-12 10:05:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 216 transitions. [2020-10-12 10:05:31,560 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 216 transitions. Word has length 202 [2020-10-12 10:05:31,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:31,560 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 216 transitions. [2020-10-12 10:05:31,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-12 10:05:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 216 transitions. [2020-10-12 10:05:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 10:05:31,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:31,562 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:31,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-12 10:05:31,563 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:31,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:31,563 INFO L82 PathProgramCache]: Analyzing trace with hash 634491098, now seen corresponding path program 37 times [2020-10-12 10:05:31,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:31,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184463945] [2020-10-12 10:05:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:32,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:32,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-12 10:05:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1409 [2020-10-12 10:05:32,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 10:05:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:05:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 10:05:32,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:33,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 10:05:33,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 10:05:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:05:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:05:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:05:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:05:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:05:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:05:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:05:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:05:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 10:05:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 10:05:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 10:05:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 10:05:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 10:05:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 10:05:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 10:05:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 10:05:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 10:05:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 10:05:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:33,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:33,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:33,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:33,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:33,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 38 proven. 361 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2020-10-12 10:05:33,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184463945] [2020-10-12 10:05:33,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:33,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 10:05:33,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028161129] [2020-10-12 10:05:33,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 10:05:33,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:33,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 10:05:33,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2020-10-12 10:05:33,591 INFO L87 Difference]: Start difference. First operand 214 states and 216 transitions. Second operand 23 states. [2020-10-12 10:05:34,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:34,343 INFO L93 Difference]: Finished difference Result 382 states and 385 transitions. [2020-10-12 10:05:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 10:05:34,344 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 210 [2020-10-12 10:05:34,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:34,346 INFO L225 Difference]: With dead ends: 382 [2020-10-12 10:05:34,346 INFO L226 Difference]: Without dead ends: 217 [2020-10-12 10:05:34,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=693, Invalid=1113, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 10:05:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-12 10:05:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 216. [2020-10-12 10:05:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-12 10:05:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 218 transitions. [2020-10-12 10:05:34,369 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 218 transitions. Word has length 210 [2020-10-12 10:05:34,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:34,369 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 218 transitions. [2020-10-12 10:05:34,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 10:05:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 218 transitions. [2020-10-12 10:05:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-12 10:05:34,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:34,371 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:34,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-12 10:05:34,371 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1828434698, now seen corresponding path program 38 times [2020-10-12 10:05:34,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:34,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060614233] [2020-10-12 10:05:34,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:34,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:34,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:35,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:38,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:38,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 10:05:38,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:05:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4050 [2020-10-12 10:05:38,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:38,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 10:05:38,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:05:38,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 245 [2020-10-12 10:05:38,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:39,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:39,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:39,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:39,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:39,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:39,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:39,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 10:05:39,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-12 10:05:39,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 10:05:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 10:05:39,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:05:41,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:05:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:05:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:05:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:05:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:05:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:05:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:05:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:05:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:05:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 10:05:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 10:05:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 10:05:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:41,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 10:05:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 10:05:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 10:05:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 10:05:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 10:05:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 10:05:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 10:05:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:41,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:41,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 38 proven. 1122 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 10:05:41,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060614233] [2020-10-12 10:05:41,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:41,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-12 10:05:41,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389237556] [2020-10-12 10:05:41,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-12 10:05:41,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:41,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-12 10:05:41,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 10:05:41,768 INFO L87 Difference]: Start difference. First operand 216 states and 218 transitions. Second operand 49 states. [2020-10-12 10:05:49,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:49,619 INFO L93 Difference]: Finished difference Result 229 states and 231 transitions. [2020-10-12 10:05:49,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 10:05:49,620 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 212 [2020-10-12 10:05:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:49,623 INFO L225 Difference]: With dead ends: 229 [2020-10-12 10:05:49,623 INFO L226 Difference]: Without dead ends: 227 [2020-10-12 10:05:49,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=286, Invalid=8644, Unknown=0, NotChecked=0, Total=8930 [2020-10-12 10:05:49,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-12 10:05:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2020-10-12 10:05:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-12 10:05:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 226 transitions. [2020-10-12 10:05:49,647 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 226 transitions. Word has length 212 [2020-10-12 10:05:49,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:49,648 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 226 transitions. [2020-10-12 10:05:49,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-12 10:05:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 226 transitions. [2020-10-12 10:05:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 10:05:49,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:49,649 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:49,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-12 10:05:49,650 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:49,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:49,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1064358266, now seen corresponding path program 39 times [2020-10-12 10:05:49,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:49,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762424591] [2020-10-12 10:05:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:49,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:49,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1681 [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 10:05:51,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:51,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 10:05:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 10:05:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:05:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:05:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:05:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:05:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:05:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:05:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:05:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:05:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 10:05:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 10:05:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 10:05:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 10:05:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 10:05:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 10:05:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 10:05:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:51,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 10:05:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 10:05:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 10:05:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 10:05:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:51,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:51,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:51,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:51,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:51,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:05:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 40 proven. 400 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2020-10-12 10:05:51,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762424591] [2020-10-12 10:05:51,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:51,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 10:05:51,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138881300] [2020-10-12 10:05:51,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 10:05:51,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:51,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 10:05:51,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2020-10-12 10:05:51,994 INFO L87 Difference]: Start difference. First operand 224 states and 226 transitions. Second operand 24 states. [2020-10-12 10:05:52,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:05:52,830 INFO L93 Difference]: Finished difference Result 400 states and 403 transitions. [2020-10-12 10:05:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 10:05:52,831 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 220 [2020-10-12 10:05:52,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:05:52,833 INFO L225 Difference]: With dead ends: 400 [2020-10-12 10:05:52,833 INFO L226 Difference]: Without dead ends: 227 [2020-10-12 10:05:52,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=759, Invalid=1221, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 10:05:52,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-12 10:05:52,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 226. [2020-10-12 10:05:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-12 10:05:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 228 transitions. [2020-10-12 10:05:52,856 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 228 transitions. Word has length 220 [2020-10-12 10:05:52,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:05:52,857 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 228 transitions. [2020-10-12 10:05:52,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 10:05:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 228 transitions. [2020-10-12 10:05:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-12 10:05:52,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:05:52,858 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:05:52,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-12 10:05:52,859 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:05:52,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:05:52,859 INFO L82 PathProgramCache]: Analyzing trace with hash 327841698, now seen corresponding path program 40 times [2020-10-12 10:05:52,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:05:52,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456190932] [2020-10-12 10:05:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:05:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:52,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:53,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:56,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:56,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-12 10:05:56,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:05:56,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3511 [2020-10-12 10:05:56,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 10:05:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:05:56,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 257 [2020-10-12 10:05:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:57,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:05:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:57,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:05:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:05:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:57,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:05:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:57,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:57,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:57,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:57,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 10:05:57,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:05:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-12 10:05:57,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:57,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 10:05:57,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:57,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 10:05:57,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:05:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:05:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:05:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:05:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:05:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:05:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 10:05:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 10:05:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 10:05:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 10:05:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 10:05:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 10:05:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 10:05:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 10:05:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 10:05:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 10:05:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:05:59,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 10:05:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 10:05:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 10:05:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 10:05:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:05:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:05:59,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:05:59,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:05:59,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:05:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:05:59,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:05:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:05:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:05:59,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:05:59,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:05:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 40 proven. 1241 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 10:05:59,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456190932] [2020-10-12 10:05:59,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:05:59,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-12 10:05:59,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164046432] [2020-10-12 10:05:59,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-12 10:05:59,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:05:59,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-12 10:05:59,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 10:05:59,992 INFO L87 Difference]: Start difference. First operand 226 states and 228 transitions. Second operand 51 states. [2020-10-12 10:06:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:06:08,975 INFO L93 Difference]: Finished difference Result 239 states and 241 transitions. [2020-10-12 10:06:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-12 10:06:08,977 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 222 [2020-10-12 10:06:08,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:06:08,979 INFO L225 Difference]: With dead ends: 239 [2020-10-12 10:06:08,979 INFO L226 Difference]: Without dead ends: 237 [2020-10-12 10:06:08,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=298, Invalid=9404, Unknown=0, NotChecked=0, Total=9702 [2020-10-12 10:06:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-12 10:06:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-12 10:06:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-12 10:06:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 236 transitions. [2020-10-12 10:06:08,999 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 236 transitions. Word has length 222 [2020-10-12 10:06:08,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:06:08,999 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 236 transitions. [2020-10-12 10:06:08,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-12 10:06:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 236 transitions. [2020-10-12 10:06:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 10:06:09,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:06:09,001 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:06:09,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-12 10:06:09,001 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:06:09,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:06:09,001 INFO L82 PathProgramCache]: Analyzing trace with hash 860220722, now seen corresponding path program 41 times [2020-10-12 10:06:09,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:06:09,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609043378] [2020-10-12 10:06:09,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:06:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:09,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:09,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:10,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-12 10:06:10,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:06:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1715 [2020-10-12 10:06:10,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 10:06:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:06:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 10:06:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:10,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:06:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:10,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:10,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:10,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:06:10,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:10,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:10,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:10,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:06:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:10,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:10,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:10,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 10:06:10,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 10:06:10,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 10:06:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:06:10,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 10:06:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 10:06:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 10:06:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 10:06:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 10:06:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 10:06:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 10:06:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 10:06:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 10:06:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 10:06:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 10:06:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 10:06:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 10:06:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 10:06:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 10:06:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 10:06:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 10:06:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:11,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 10:06:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 10:06:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:11,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 10:06:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:11,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 10:06:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:11,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 10:06:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:11,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:11,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:11,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:11,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:11,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:11,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 42 proven. 441 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2020-10-12 10:06:11,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609043378] [2020-10-12 10:06:11,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:06:11,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 10:06:11,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757225284] [2020-10-12 10:06:11,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 10:06:11,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:06:11,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 10:06:11,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2020-10-12 10:06:11,473 INFO L87 Difference]: Start difference. First operand 234 states and 236 transitions. Second operand 25 states. [2020-10-12 10:06:12,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:06:12,427 INFO L93 Difference]: Finished difference Result 418 states and 421 transitions. [2020-10-12 10:06:12,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 10:06:12,428 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 230 [2020-10-12 10:06:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:06:12,430 INFO L225 Difference]: With dead ends: 418 [2020-10-12 10:06:12,430 INFO L226 Difference]: Without dead ends: 237 [2020-10-12 10:06:12,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 10:06:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-12 10:06:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 236. [2020-10-12 10:06:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-12 10:06:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2020-10-12 10:06:12,453 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 230 [2020-10-12 10:06:12,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:06:12,453 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2020-10-12 10:06:12,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 10:06:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2020-10-12 10:06:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-12 10:06:12,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:06:12,455 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:06:12,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-12 10:06:12,456 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:06:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:06:12,456 INFO L82 PathProgramCache]: Analyzing trace with hash -931298482, now seen corresponding path program 42 times [2020-10-12 10:06:12,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:06:12,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848273982] [2020-10-12 10:06:12,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:06:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:12,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:13,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:16,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:16,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-12 10:06:16,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:06:16,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3802 [2020-10-12 10:06:16,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:16,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 10:06:16,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:06:16,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 269 [2020-10-12 10:06:16,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:17,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:06:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:17,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:17,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:17,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:06:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 10:06:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:17,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 10:06:17,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:06:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:06:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:06:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:06:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:06:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:06:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:06:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 10:06:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 10:06:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 10:06:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 10:06:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 10:06:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 10:06:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 10:06:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 10:06:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 10:06:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 10:06:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 10:06:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 10:06:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 10:06:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:20,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 10:06:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:20,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:20,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:20,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:20,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:20,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:20,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:20,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2248 backedges. 42 proven. 1366 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 10:06:20,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848273982] [2020-10-12 10:06:20,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:06:20,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-12 10:06:20,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524083367] [2020-10-12 10:06:20,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-12 10:06:20,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:06:20,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-12 10:06:20,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 10:06:20,398 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand 53 states. [2020-10-12 10:06:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:06:30,712 INFO L93 Difference]: Finished difference Result 249 states and 251 transitions. [2020-10-12 10:06:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-12 10:06:30,715 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 232 [2020-10-12 10:06:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:06:30,717 INFO L225 Difference]: With dead ends: 249 [2020-10-12 10:06:30,717 INFO L226 Difference]: Without dead ends: 247 [2020-10-12 10:06:30,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=310, Invalid=10196, Unknown=0, NotChecked=0, Total=10506 [2020-10-12 10:06:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-12 10:06:30,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2020-10-12 10:06:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-12 10:06:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 246 transitions. [2020-10-12 10:06:30,741 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 246 transitions. Word has length 232 [2020-10-12 10:06:30,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:06:30,742 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 246 transitions. [2020-10-12 10:06:30,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-12 10:06:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 246 transitions. [2020-10-12 10:06:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-12 10:06:30,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:06:30,743 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:06:30,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-12 10:06:30,744 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:06:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:06:30,744 INFO L82 PathProgramCache]: Analyzing trace with hash -738685730, now seen corresponding path program 43 times [2020-10-12 10:06:30,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:06:30,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1029547990] [2020-10-12 10:06:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:06:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:30,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:30,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:32,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:32,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-12 10:06:32,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:06:32,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1982 [2020-10-12 10:06:32,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 10:06:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:06:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 10:06:32,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:32,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:06:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:32,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:32,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:32,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:06:32,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:32,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:32,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:32,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:32,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:06:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:32,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:32,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 10:06:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 10:06:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 10:06:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 10:06:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 10:06:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 10:06:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 10:06:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 10:06:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 10:06:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 10:06:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 10:06:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 10:06:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 10:06:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 10:06:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 10:06:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 10:06:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 10:06:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 10:06:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:33,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 10:06:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:33,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 10:06:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:33,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 10:06:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:33,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 10:06:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:33,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 10:06:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:33,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:33,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:33,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:33,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:33,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 44 proven. 484 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2020-10-12 10:06:33,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1029547990] [2020-10-12 10:06:33,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:06:33,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 10:06:33,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738126629] [2020-10-12 10:06:33,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 10:06:33,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:06:33,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 10:06:33,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2020-10-12 10:06:33,540 INFO L87 Difference]: Start difference. First operand 244 states and 246 transitions. Second operand 26 states. [2020-10-12 10:06:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:06:34,540 INFO L93 Difference]: Finished difference Result 436 states and 439 transitions. [2020-10-12 10:06:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 10:06:34,541 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 240 [2020-10-12 10:06:34,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:06:34,543 INFO L225 Difference]: With dead ends: 436 [2020-10-12 10:06:34,543 INFO L226 Difference]: Without dead ends: 247 [2020-10-12 10:06:34,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=900, Invalid=1452, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 10:06:34,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-12 10:06:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 246. [2020-10-12 10:06:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-10-12 10:06:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 248 transitions. [2020-10-12 10:06:34,564 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 248 transitions. Word has length 240 [2020-10-12 10:06:34,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:06:34,564 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 248 transitions. [2020-10-12 10:06:34,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 10:06:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 248 transitions. [2020-10-12 10:06:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-10-12 10:06:34,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:06:34,566 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:06:34,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-12 10:06:34,566 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:06:34,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:06:34,567 INFO L82 PathProgramCache]: Analyzing trace with hash -634376198, now seen corresponding path program 44 times [2020-10-12 10:06:34,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:06:34,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245561022] [2020-10-12 10:06:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:06:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:38,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:38,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-12 10:06:38,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:06:38,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4309 [2020-10-12 10:06:38,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:38,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 10:06:38,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:06:38,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 281 [2020-10-12 10:06:38,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:40,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:06:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:40,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:40,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:40,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:06:40,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:40,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:40,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:40,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:06:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:40,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:40,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 10:06:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:06:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:06:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:06:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:06:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:06:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:06:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:06:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:06:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 10:06:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 10:06:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 10:06:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 10:06:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 10:06:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 10:06:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 10:06:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 10:06:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 10:06:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:43,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 10:06:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 10:06:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-12 10:06:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 10:06:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 10:06:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:43,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:43,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:06:43,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:06:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:06:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2465 backedges. 44 proven. 1497 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 10:06:43,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245561022] [2020-10-12 10:06:43,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:06:43,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-12 10:06:43,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888756984] [2020-10-12 10:06:43,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-12 10:06:43,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:06:43,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-12 10:06:43,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 10:06:43,922 INFO L87 Difference]: Start difference. First operand 246 states and 248 transitions. Second operand 55 states. [2020-10-12 10:06:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:06:56,132 INFO L93 Difference]: Finished difference Result 259 states and 261 transitions. [2020-10-12 10:06:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 10:06:56,134 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 242 [2020-10-12 10:06:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:06:56,137 INFO L225 Difference]: With dead ends: 259 [2020-10-12 10:06:56,137 INFO L226 Difference]: Without dead ends: 257 [2020-10-12 10:06:56,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1322 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=322, Invalid=11020, Unknown=0, NotChecked=0, Total=11342 [2020-10-12 10:06:56,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-12 10:06:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 254. [2020-10-12 10:06:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-10-12 10:06:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 256 transitions. [2020-10-12 10:06:56,154 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 256 transitions. Word has length 242 [2020-10-12 10:06:56,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:06:56,154 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 256 transitions. [2020-10-12 10:06:56,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-12 10:06:56,154 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 256 transitions. [2020-10-12 10:06:56,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-12 10:06:56,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:06:56,156 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:06:56,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-12 10:06:56,156 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:06:56,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:06:56,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1405497974, now seen corresponding path program 45 times [2020-10-12 10:06:56,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:06:56,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524292711] [2020-10-12 10:06:56,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:06:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:56,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:56,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-12 10:06:58,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:06:58,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1866 [2020-10-12 10:06:58,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 10:06:58,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 10:06:58,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 10:06:58,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:06:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:06:58,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:58,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:06:58,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:06:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 10:06:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 10:06:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 10:06:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 10:06:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 10:06:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 10:06:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 10:06:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 10:06:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 10:06:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 10:06:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 10:06:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 10:06:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 10:06:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 10:06:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 10:06:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 10:06:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 10:06:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 10:06:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 10:06:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 10:06:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-12 10:06:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 10:06:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 10:06:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-12 10:06:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:06:58,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:06:58,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:06:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:06:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:06:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2645 backedges. 46 proven. 529 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2020-10-12 10:06:58,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524292711] [2020-10-12 10:06:58,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:06:58,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 10:06:58,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856959939] [2020-10-12 10:06:58,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 10:06:58,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:06:58,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 10:06:58,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2020-10-12 10:06:58,993 INFO L87 Difference]: Start difference. First operand 254 states and 256 transitions. Second operand 27 states. [2020-10-12 10:07:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:00,373 INFO L93 Difference]: Finished difference Result 454 states and 457 transitions. [2020-10-12 10:07:00,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 10:07:00,375 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 250 [2020-10-12 10:07:00,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:00,376 INFO L225 Difference]: With dead ends: 454 [2020-10-12 10:07:00,376 INFO L226 Difference]: Without dead ends: 257 [2020-10-12 10:07:00,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=975, Invalid=1575, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 10:07:00,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-12 10:07:00,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 256. [2020-10-12 10:07:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-12 10:07:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 258 transitions. [2020-10-12 10:07:00,404 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 258 transitions. Word has length 250 [2020-10-12 10:07:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:00,404 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 258 transitions. [2020-10-12 10:07:00,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 10:07:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 258 transitions. [2020-10-12 10:07:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-12 10:07:00,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:00,406 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:00,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-12 10:07:00,406 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:00,407 INFO L82 PathProgramCache]: Analyzing trace with hash -2138751578, now seen corresponding path program 46 times [2020-10-12 10:07:00,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:00,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068915182] [2020-10-12 10:07:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:02,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:04,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:04,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-12 10:07:04,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:07:04,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4478 [2020-10-12 10:07:04,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:04,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 10:07:04,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 10:07:04,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 293 [2020-10-12 10:07:04,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:06,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:06,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:06,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:06,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 10:07:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:06,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:06,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 10:07:06,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:06,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 10:07:06,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 10:07:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 10:07:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 10:07:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 10:07:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 10:07:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 10:07:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 10:07:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 10:07:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 10:07:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 10:07:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 10:07:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 10:07:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 10:07:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 10:07:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 10:07:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:10,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 10:07:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 10:07:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:10,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 10:07:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 10:07:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-12 10:07:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-12 10:07:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-12 10:07:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 10:07:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:10,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:10,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:10,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:10,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:10,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:10,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:10,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:10,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 46 proven. 1634 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 10:07:10,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068915182] [2020-10-12 10:07:10,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:10,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-12 10:07:10,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830355107] [2020-10-12 10:07:10,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-12 10:07:10,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:10,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-12 10:07:10,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 10:07:10,545 INFO L87 Difference]: Start difference. First operand 256 states and 258 transitions. Second operand 57 states.