/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 08:17:37,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 08:17:37,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 08:17:37,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 08:17:37,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 08:17:37,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 08:17:37,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 08:17:37,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 08:17:37,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 08:17:37,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 08:17:37,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 08:17:37,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 08:17:37,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 08:17:37,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 08:17:37,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 08:17:37,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 08:17:37,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 08:17:37,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 08:17:37,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 08:17:37,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 08:17:37,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 08:17:37,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 08:17:37,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 08:17:37,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 08:17:37,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 08:17:37,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 08:17:37,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 08:17:37,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 08:17:37,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 08:17:37,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 08:17:37,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 08:17:37,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 08:17:37,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 08:17:37,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 08:17:37,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 08:17:37,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 08:17:37,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 08:17:37,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 08:17:37,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 08:17:37,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 08:17:37,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 08:17:37,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 08:17:37,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 08:17:37,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 08:17:37,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 08:17:37,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 08:17:37,227 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 08:17:37,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 08:17:37,227 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 08:17:37,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 08:17:37,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 08:17:37,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 08:17:37,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 08:17:37,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 08:17:37,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 08:17:37,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 08:17:37,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 08:17:37,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 08:17:37,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 08:17:37,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 08:17:37,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 08:17:37,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 08:17:37,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 08:17:37,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:17:37,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 08:17:37,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 08:17:37,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 08:17:37,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 08:17:37,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 08:17:37,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 08:17:37,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 08:17:37,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 08:17:37,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 08:17:37,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 08:17:37,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 08:17:37,551 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 08:17:37,552 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 08:17:37,553 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-14 08:17:37,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d624efc55/faf747dee66445fabb0d3f0cb761db32/FLAG622b559dc [2020-10-14 08:17:38,198 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 08:17:38,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-14 08:17:38,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d624efc55/faf747dee66445fabb0d3f0cb761db32/FLAG622b559dc [2020-10-14 08:17:38,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d624efc55/faf747dee66445fabb0d3f0cb761db32 [2020-10-14 08:17:38,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 08:17:38,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 08:17:38,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 08:17:38,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 08:17:38,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 08:17:38,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:17:38" (1/1) ... [2020-10-14 08:17:38,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:38, skipping insertion in model container [2020-10-14 08:17:38,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:17:38" (1/1) ... [2020-10-14 08:17:38,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 08:17:38,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 08:17:39,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:17:39,067 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 08:17:39,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 08:17:39,173 INFO L208 MainTranslator]: Completed translation [2020-10-14 08:17:39,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39 WrapperNode [2020-10-14 08:17:39,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 08:17:39,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 08:17:39,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 08:17:39,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 08:17:39,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... [2020-10-14 08:17:39,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 08:17:39,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 08:17:39,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 08:17:39,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 08:17:39,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 08:17:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 08:17:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 08:17:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 08:17:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-14 08:17:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-14 08:17:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-14 08:17:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-14 08:17:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-14 08:17:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-14 08:17:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-14 08:17:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-14 08:17:39,329 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-14 08:17:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-14 08:17:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-14 08:17:39,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 08:17:39,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-14 08:17:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 08:17:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 08:17:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 08:17:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-14 08:17:39,332 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-14 08:17:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 08:17:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 08:17:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-14 08:17:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-14 08:17:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-14 08:17:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-14 08:17:39,335 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-14 08:17:39,337 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-14 08:17:39,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 08:17:39,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 08:17:39,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 08:17:40,106 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 08:17:40,107 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 08:17:40,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:17:40 BoogieIcfgContainer [2020-10-14 08:17:40,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 08:17:40,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 08:17:40,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 08:17:40,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 08:17:40,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:17:38" (1/3) ... [2020-10-14 08:17:40,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59064c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:17:40, skipping insertion in model container [2020-10-14 08:17:40,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:17:39" (2/3) ... [2020-10-14 08:17:40,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59064c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:17:40, skipping insertion in model container [2020-10-14 08:17:40,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:17:40" (3/3) ... [2020-10-14 08:17:40,130 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-14 08:17:40,142 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 08:17:40,151 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 08:17:40,167 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 08:17:40,201 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 08:17:40,202 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 08:17:40,202 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 08:17:40,202 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 08:17:40,203 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 08:17:40,203 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 08:17:40,203 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 08:17:40,203 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 08:17:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states. [2020-10-14 08:17:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 08:17:40,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:40,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:40,249 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:40,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:40,255 INFO L82 PathProgramCache]: Analyzing trace with hash 2069086531, now seen corresponding path program 1 times [2020-10-14 08:17:40,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:40,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126440282] [2020-10-14 08:17:40,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:40,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:40,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 08:17:40,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:40,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-14 08:17:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:40,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:17:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:17:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:17:41,027 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:17:41,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:41,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:41,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:41,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:41,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:41,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:17:41,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:41,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:41,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:41,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:41,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126440282] [2020-10-14 08:17:41,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:41,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:17:41,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753443540] [2020-10-14 08:17:41,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:17:41,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:41,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:17:41,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:41,093 INFO L87 Difference]: Start difference. First operand 214 states. Second operand 5 states. [2020-10-14 08:17:41,586 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-14 08:17:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:42,692 INFO L93 Difference]: Finished difference Result 426 states and 702 transitions. [2020-10-14 08:17:42,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:17:42,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-14 08:17:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:42,709 INFO L225 Difference]: With dead ends: 426 [2020-10-14 08:17:42,710 INFO L226 Difference]: Without dead ends: 221 [2020-10-14 08:17:42,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:17:42,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-14 08:17:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 215. [2020-10-14 08:17:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-14 08:17:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 321 transitions. [2020-10-14 08:17:42,823 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 321 transitions. Word has length 21 [2020-10-14 08:17:42,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:42,824 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 321 transitions. [2020-10-14 08:17:42,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:17:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 321 transitions. [2020-10-14 08:17:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-14 08:17:42,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:42,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:42,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 08:17:42,835 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:42,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1497290467, now seen corresponding path program 1 times [2020-10-14 08:17:42,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:42,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650056486] [2020-10-14 08:17:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:42,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:42,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:42,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:43,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 08:17:43,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:17:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-14 08:17:43,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:43,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:17:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:17:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:17:43,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:43,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:43,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:43,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:43,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:43,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:17:43,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:43,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:43,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:43,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650056486] [2020-10-14 08:17:43,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:43,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:17:43,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001948278] [2020-10-14 08:17:43,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:17:43,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:43,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:17:43,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:43,416 INFO L87 Difference]: Start difference. First operand 215 states and 321 transitions. Second operand 5 states. [2020-10-14 08:17:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:44,937 INFO L93 Difference]: Finished difference Result 447 states and 677 transitions. [2020-10-14 08:17:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:17:44,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-14 08:17:44,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:44,942 INFO L225 Difference]: With dead ends: 447 [2020-10-14 08:17:44,942 INFO L226 Difference]: Without dead ends: 241 [2020-10-14 08:17:44,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:17:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-14 08:17:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 234. [2020-10-14 08:17:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-14 08:17:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 345 transitions. [2020-10-14 08:17:44,984 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 345 transitions. Word has length 22 [2020-10-14 08:17:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:44,984 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 345 transitions. [2020-10-14 08:17:44,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:17:44,984 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 345 transitions. [2020-10-14 08:17:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 08:17:44,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:44,987 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:44,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 08:17:44,987 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:44,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:44,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1614677544, now seen corresponding path program 1 times [2020-10-14 08:17:44,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:44,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928791088] [2020-10-14 08:17:44,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:45,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 08:17:45,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:45,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-14 08:17:45,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 08:17:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:17:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:45,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:45,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:45,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:17:45,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:45,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:45,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:45,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:45,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:17:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 08:17:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:45,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928791088] [2020-10-14 08:17:45,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:45,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 08:17:45,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028511763] [2020-10-14 08:17:45,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 08:17:45,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:45,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 08:17:45,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 08:17:45,335 INFO L87 Difference]: Start difference. First operand 234 states and 345 transitions. Second operand 4 states. [2020-10-14 08:17:46,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:46,696 INFO L93 Difference]: Finished difference Result 485 states and 727 transitions. [2020-10-14 08:17:46,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 08:17:46,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-14 08:17:46,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:46,707 INFO L225 Difference]: With dead ends: 485 [2020-10-14 08:17:46,707 INFO L226 Difference]: Without dead ends: 270 [2020-10-14 08:17:46,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:46,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-14 08:17:46,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 236. [2020-10-14 08:17:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-14 08:17:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 347 transitions. [2020-10-14 08:17:46,776 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 347 transitions. Word has length 30 [2020-10-14 08:17:46,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:46,777 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 347 transitions. [2020-10-14 08:17:46,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 08:17:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 347 transitions. [2020-10-14 08:17:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 08:17:46,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:46,784 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, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:46,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 08:17:46,784 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash 663858416, now seen corresponding path program 1 times [2020-10-14 08:17:46,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:46,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822864964] [2020-10-14 08:17:46,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:46,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:46,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:47,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 08:17:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:17:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-14 08:17:47,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:47,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 08:17:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:17:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:47,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:47,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:47,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:47,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:47,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:47,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:47,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:47,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:47,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 08:17:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 08:17:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:47,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:17:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 08:17:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:47,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822864964] [2020-10-14 08:17:47,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:17:47,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 08:17:47,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278993712] [2020-10-14 08:17:47,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:17:47,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:47,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:17:47,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:47,666 INFO L87 Difference]: Start difference. First operand 236 states and 347 transitions. Second operand 5 states. [2020-10-14 08:17:49,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:49,015 INFO L93 Difference]: Finished difference Result 462 states and 686 transitions. [2020-10-14 08:17:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:17:49,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 08:17:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:49,018 INFO L225 Difference]: With dead ends: 462 [2020-10-14 08:17:49,018 INFO L226 Difference]: Without dead ends: 237 [2020-10-14 08:17:49,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:17:49,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-14 08:17:49,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2020-10-14 08:17:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-14 08:17:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 343 transitions. [2020-10-14 08:17:49,061 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 343 transitions. Word has length 36 [2020-10-14 08:17:49,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:49,061 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 343 transitions. [2020-10-14 08:17:49,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:17:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 343 transitions. [2020-10-14 08:17:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 08:17:49,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:49,066 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:49,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 08:17:49,066 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:49,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:49,067 INFO L82 PathProgramCache]: Analyzing trace with hash -744270777, now seen corresponding path program 1 times [2020-10-14 08:17:49,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:49,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535221547] [2020-10-14 08:17:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:49,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:49,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 08:17:49,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 343 [2020-10-14 08:17:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:49,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:17:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 08:17:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:49,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:49,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:49,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:49,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:49,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:49,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:49,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:49,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:17:49,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 08:17:49,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:49,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:17:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:17:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:49,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:49,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:49,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:49,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:49,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:49,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:49,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:49,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:49,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535221547] [2020-10-14 08:17:49,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:49,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 08:17:49,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316761824] [2020-10-14 08:17:49,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 08:17:49,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:49,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 08:17:49,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 08:17:49,641 INFO L87 Difference]: Start difference. First operand 233 states and 343 transitions. Second operand 6 states. [2020-10-14 08:17:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:51,101 INFO L93 Difference]: Finished difference Result 456 states and 677 transitions. [2020-10-14 08:17:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:17:51,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-10-14 08:17:51,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:51,106 INFO L225 Difference]: With dead ends: 456 [2020-10-14 08:17:51,107 INFO L226 Difference]: Without dead ends: 245 [2020-10-14 08:17:51,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:17:51,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-14 08:17:51,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 237. [2020-10-14 08:17:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-14 08:17:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 347 transitions. [2020-10-14 08:17:51,182 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 347 transitions. Word has length 38 [2020-10-14 08:17:51,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:51,183 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 347 transitions. [2020-10-14 08:17:51,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 08:17:51,183 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 347 transitions. [2020-10-14 08:17:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 08:17:51,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:51,184 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:51,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 08:17:51,184 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:51,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:51,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1751403478, now seen corresponding path program 1 times [2020-10-14 08:17:51,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:51,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887899596] [2020-10-14 08:17:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:51,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:51,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 08:17:51,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:51,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 08:17:51,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:51,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 08:17:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:51,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:51,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:51,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:51,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:51,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:17:51,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:51,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:51,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:51,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:17:51,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:51,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 08:17:51,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:51,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:51,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:51,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:17:51,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 08:17:51,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:51,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:17:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:51,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:51,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:17:51,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:51,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:17:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:51,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887899596] [2020-10-14 08:17:51,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:17:51,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 08:17:51,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651351006] [2020-10-14 08:17:51,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:17:51,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:51,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:17:51,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:51,614 INFO L87 Difference]: Start difference. First operand 237 states and 347 transitions. Second operand 5 states. [2020-10-14 08:17:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:52,901 INFO L93 Difference]: Finished difference Result 518 states and 776 transitions. [2020-10-14 08:17:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 08:17:52,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-14 08:17:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:52,905 INFO L225 Difference]: With dead ends: 518 [2020-10-14 08:17:52,906 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 08:17:52,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 08:17:52,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 08:17:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 263. [2020-10-14 08:17:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-10-14 08:17:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 387 transitions. [2020-10-14 08:17:52,934 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 387 transitions. Word has length 41 [2020-10-14 08:17:52,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:52,935 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 387 transitions. [2020-10-14 08:17:52,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:17:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 387 transitions. [2020-10-14 08:17:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 08:17:52,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:52,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:52,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 08:17:52,936 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:52,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:52,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1297577439, now seen corresponding path program 1 times [2020-10-14 08:17:52,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:52,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337882325] [2020-10-14 08:17:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:52,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 08:17:53,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-14 08:17:53,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:53,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 08:17:53,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:17:53,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:53,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:53,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:53,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:17:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:53,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:17:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:53,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:53,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:53,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:53,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:53,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:53,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337882325] [2020-10-14 08:17:53,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:53,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:17:53,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419316188] [2020-10-14 08:17:53,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:17:53,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:53,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:17:53,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:53,619 INFO L87 Difference]: Start difference. First operand 263 states and 387 transitions. Second operand 5 states. [2020-10-14 08:17:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:54,940 INFO L93 Difference]: Finished difference Result 441 states and 654 transitions. [2020-10-14 08:17:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 08:17:54,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-10-14 08:17:54,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:54,944 INFO L225 Difference]: With dead ends: 441 [2020-10-14 08:17:54,944 INFO L226 Difference]: Without dead ends: 273 [2020-10-14 08:17:54,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:17:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-14 08:17:54,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 267. [2020-10-14 08:17:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-14 08:17:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 390 transitions. [2020-10-14 08:17:54,971 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 390 transitions. Word has length 45 [2020-10-14 08:17:54,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:54,971 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 390 transitions. [2020-10-14 08:17:54,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:17:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 390 transitions. [2020-10-14 08:17:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 08:17:54,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:54,973 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:54,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 08:17:54,973 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:54,974 INFO L82 PathProgramCache]: Analyzing trace with hash -147803496, now seen corresponding path program 2 times [2020-10-14 08:17:54,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:54,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646183598] [2020-10-14 08:17:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:55,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:55,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:55,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 08:17:55,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-14 08:17:55,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:55,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:17:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 08:17:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 08:17:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:55,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:55,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:55,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:55,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:55,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:55,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:55,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:55,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:55,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:55,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:55,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:55,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:55,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:55,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:55,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:55,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 08:17:55,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:55,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 08:17:55,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:55,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:17:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:17:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 08:17:55,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:17:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:55,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:55,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:55,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:55,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:55,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:55,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:17:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:17:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:55,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:55,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:55,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:55,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:55,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:17:55,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:55,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:17:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:17:55,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 08:17:55,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646183598] [2020-10-14 08:17:55,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:17:55,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 08:17:55,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644244654] [2020-10-14 08:17:55,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 08:17:55,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:55,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 08:17:55,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-14 08:17:55,401 INFO L87 Difference]: Start difference. First operand 267 states and 390 transitions. Second operand 6 states. [2020-10-14 08:17:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:57,007 INFO L93 Difference]: Finished difference Result 551 states and 820 transitions. [2020-10-14 08:17:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:17:57,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-14 08:17:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:57,013 INFO L225 Difference]: With dead ends: 551 [2020-10-14 08:17:57,013 INFO L226 Difference]: Without dead ends: 311 [2020-10-14 08:17:57,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:17:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-14 08:17:57,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 297. [2020-10-14 08:17:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-14 08:17:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 435 transitions. [2020-10-14 08:17:57,045 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 435 transitions. Word has length 52 [2020-10-14 08:17:57,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:57,046 INFO L479 AbstractCegarLoop]: Abstraction has 297 states and 435 transitions. [2020-10-14 08:17:57,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 08:17:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 435 transitions. [2020-10-14 08:17:57,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 08:17:57,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:57,047 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:57,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 08:17:57,047 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:57,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:57,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1897558410, now seen corresponding path program 1 times [2020-10-14 08:17:57,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:57,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916816031] [2020-10-14 08:17:57,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 08:17:57,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:17:57,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-14 08:17:57,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 08:17:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:57,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:57,618 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-14 08:17:57,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:57,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:57,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:17:57,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:17:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:17:57,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:57,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:57,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:17:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:57,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:57,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:17:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:17:57,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:17:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:57,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:17:57,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:57,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:17:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:17:57,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:17:57,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:17:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:57,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:57,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:57,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:17:57,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:57,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:17:57,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:57,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 08:17:57,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916816031] [2020-10-14 08:17:57,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:17:57,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 08:17:57,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167574587] [2020-10-14 08:17:57,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 08:17:57,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:57,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 08:17:57,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 08:17:57,767 INFO L87 Difference]: Start difference. First operand 297 states and 435 transitions. Second operand 7 states. [2020-10-14 08:17:59,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:17:59,176 INFO L93 Difference]: Finished difference Result 491 states and 722 transitions. [2020-10-14 08:17:59,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 08:17:59,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2020-10-14 08:17:59,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:17:59,180 INFO L225 Difference]: With dead ends: 491 [2020-10-14 08:17:59,180 INFO L226 Difference]: Without dead ends: 319 [2020-10-14 08:17:59,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 08:17:59,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-14 08:17:59,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2020-10-14 08:17:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-14 08:17:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 439 transitions. [2020-10-14 08:17:59,211 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 439 transitions. Word has length 57 [2020-10-14 08:17:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:17:59,211 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 439 transitions. [2020-10-14 08:17:59,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 08:17:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 439 transitions. [2020-10-14 08:17:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 08:17:59,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:17:59,213 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:17:59,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 08:17:59,214 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:17:59,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:17:59,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1669727082, now seen corresponding path program 3 times [2020-10-14 08:17:59,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:17:59,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547957086] [2020-10-14 08:17:59,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:17:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:59,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:59,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:59,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 08:17:59,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 08:17:59,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:59,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:17:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 08:17:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:17:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:59,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:17:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:59,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:17:59,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:17:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:59,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:59,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:59,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:59,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:59,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:59,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:17:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:59,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:59,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:17:59,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:17:59,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:59,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:59,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:17:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:59,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:59,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:59,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:59,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:59,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:59,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:17:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:59,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:59,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:59,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:59,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:17:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:17:59,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:17:59,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:17:59,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:17:59,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:17:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:17:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:17:59,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:17:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:17:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:17:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:17:59,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:17:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-14 08:17:59,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547957086] [2020-10-14 08:17:59,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:17:59,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:17:59,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918342877] [2020-10-14 08:17:59,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:17:59,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:17:59,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:17:59,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:17:59,520 INFO L87 Difference]: Start difference. First operand 302 states and 439 transitions. Second operand 5 states. [2020-10-14 08:18:00,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:00,951 INFO L93 Difference]: Finished difference Result 578 states and 859 transitions. [2020-10-14 08:18:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:18:00,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-10-14 08:18:00,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:00,955 INFO L225 Difference]: With dead ends: 578 [2020-10-14 08:18:00,955 INFO L226 Difference]: Without dead ends: 315 [2020-10-14 08:18:00,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:18:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-14 08:18:00,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 309. [2020-10-14 08:18:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-14 08:18:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 447 transitions. [2020-10-14 08:18:00,985 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 447 transitions. Word has length 63 [2020-10-14 08:18:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:00,985 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 447 transitions. [2020-10-14 08:18:00,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:18:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 447 transitions. [2020-10-14 08:18:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-14 08:18:00,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:00,987 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:00,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 08:18:00,987 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:00,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:00,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1628782233, now seen corresponding path program 1 times [2020-10-14 08:18:00,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:00,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622258957] [2020-10-14 08:18:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:01,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:01,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 08:18:01,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:18:01,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-14 08:18:01,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:01,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 08:18:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:18:01,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:01,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:01,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:01,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:01,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:01,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:01,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:01,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:01,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:18:01,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:01,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:01,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:01,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:01,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:01,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:01,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:01,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:01,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:01,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:18:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:01,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:01,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:18:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:01,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:01,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:01,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:01,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:01,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:01,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:01,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:01,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:01,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:01,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-14 08:18:01,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622258957] [2020-10-14 08:18:01,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:01,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:18:01,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899317762] [2020-10-14 08:18:01,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:18:01,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:01,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:18:01,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:18:01,468 INFO L87 Difference]: Start difference. First operand 309 states and 447 transitions. Second operand 5 states. [2020-10-14 08:18:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:02,807 INFO L93 Difference]: Finished difference Result 655 states and 962 transitions. [2020-10-14 08:18:02,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:18:02,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-10-14 08:18:02,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:02,811 INFO L225 Difference]: With dead ends: 655 [2020-10-14 08:18:02,811 INFO L226 Difference]: Without dead ends: 385 [2020-10-14 08:18:02,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:18:02,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-10-14 08:18:02,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 378. [2020-10-14 08:18:02,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-10-14 08:18:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 542 transitions. [2020-10-14 08:18:02,846 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 542 transitions. Word has length 63 [2020-10-14 08:18:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:02,846 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 542 transitions. [2020-10-14 08:18:02,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:18:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 542 transitions. [2020-10-14 08:18:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-14 08:18:02,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:02,848 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:02,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 08:18:02,848 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:02,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:02,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1137215654, now seen corresponding path program 1 times [2020-10-14 08:18:02,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:02,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580215043] [2020-10-14 08:18:02,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:02,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:02,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-14 08:18:03,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:03,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-14 08:18:03,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:03,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-14 08:18:03,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:03,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:03,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:03,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:03,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:03,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:03,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:03,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:03,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:03,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:03,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:03,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:03,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:03,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:03,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:03,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:03,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:03,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:03,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:03,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:03,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:03,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:03,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:03,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:03,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:03,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 08:18:03,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580215043] [2020-10-14 08:18:03,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:18:03,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 08:18:03,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335832266] [2020-10-14 08:18:03,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 08:18:03,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:03,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 08:18:03,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:18:03,648 INFO L87 Difference]: Start difference. First operand 378 states and 542 transitions. Second operand 8 states. [2020-10-14 08:18:04,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:04,984 INFO L93 Difference]: Finished difference Result 563 states and 812 transitions. [2020-10-14 08:18:04,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 08:18:04,984 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-14 08:18:04,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:04,988 INFO L225 Difference]: With dead ends: 563 [2020-10-14 08:18:04,988 INFO L226 Difference]: Without dead ends: 379 [2020-10-14 08:18:04,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:18:04,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-14 08:18:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 377. [2020-10-14 08:18:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-14 08:18:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 537 transitions. [2020-10-14 08:18:05,020 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 537 transitions. Word has length 70 [2020-10-14 08:18:05,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:05,021 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 537 transitions. [2020-10-14 08:18:05,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 08:18:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 537 transitions. [2020-10-14 08:18:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 08:18:05,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:05,023 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:05,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 08:18:05,023 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:05,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:05,023 INFO L82 PathProgramCache]: Analyzing trace with hash 968503235, now seen corresponding path program 1 times [2020-10-14 08:18:05,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:05,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968507097] [2020-10-14 08:18:05,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:05,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 08:18:10,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:18:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 08:18:10,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:18:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 08:18:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:10,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:10,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:18:10,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:10,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:10,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:18:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:10,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:18:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:10,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:10,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:18:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:10,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:10,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 08:18:10,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:10,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:18:10,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:18:10,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:10,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:10,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:10,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:10,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:18:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-14 08:18:10,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968507097] [2020-10-14 08:18:10,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:10,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 08:18:10,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573089493] [2020-10-14 08:18:10,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 08:18:10,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:10,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 08:18:10,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 08:18:10,312 INFO L87 Difference]: Start difference. First operand 377 states and 537 transitions. Second operand 7 states. [2020-10-14 08:18:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:12,012 INFO L93 Difference]: Finished difference Result 670 states and 961 transitions. [2020-10-14 08:18:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 08:18:12,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-14 08:18:12,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:12,016 INFO L225 Difference]: With dead ends: 670 [2020-10-14 08:18:12,016 INFO L226 Difference]: Without dead ends: 335 [2020-10-14 08:18:12,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:18:12,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-10-14 08:18:12,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 331. [2020-10-14 08:18:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-10-14 08:18:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 465 transitions. [2020-10-14 08:18:12,045 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 465 transitions. Word has length 79 [2020-10-14 08:18:12,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:12,046 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 465 transitions. [2020-10-14 08:18:12,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 08:18:12,046 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 465 transitions. [2020-10-14 08:18:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 08:18:12,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:12,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:12,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 08:18:12,048 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:12,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:12,048 INFO L82 PathProgramCache]: Analyzing trace with hash -930292722, now seen corresponding path program 1 times [2020-10-14 08:18:12,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:12,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943182970] [2020-10-14 08:18:12,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 08:18:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-14 08:18:12,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 08:18:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:18:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:12,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:12,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:12,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:12,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:12,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:12,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:12,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:12,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:12,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:12,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:12,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:12,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:12,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:12,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:12,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:12,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:12,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:12,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:12,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 08:18:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:12,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:12,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:12,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:12,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:12,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:12,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:12,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 08:18:12,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943182970] [2020-10-14 08:18:12,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:12,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 08:18:12,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961265656] [2020-10-14 08:18:12,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 08:18:12,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:12,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 08:18:12,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:18:12,907 INFO L87 Difference]: Start difference. First operand 331 states and 465 transitions. Second operand 9 states. [2020-10-14 08:18:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:14,438 INFO L93 Difference]: Finished difference Result 513 states and 728 transitions. [2020-10-14 08:18:14,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 08:18:14,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-14 08:18:14,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:14,441 INFO L225 Difference]: With dead ends: 513 [2020-10-14 08:18:14,441 INFO L226 Difference]: Without dead ends: 330 [2020-10-14 08:18:14,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-14 08:18:14,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-10-14 08:18:14,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2020-10-14 08:18:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-10-14 08:18:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 462 transitions. [2020-10-14 08:18:14,477 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 462 transitions. Word has length 84 [2020-10-14 08:18:14,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:14,478 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 462 transitions. [2020-10-14 08:18:14,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 08:18:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 462 transitions. [2020-10-14 08:18:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-14 08:18:14,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:14,480 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:14,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 08:18:14,481 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1245558651, now seen corresponding path program 1 times [2020-10-14 08:18:14,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:14,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370979291] [2020-10-14 08:18:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:14,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:14,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:14,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:14,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-14 08:18:15,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:18:15,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 668 [2020-10-14 08:18:15,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 08:18:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:18:15,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:15,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:18:15,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:15,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:15,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:15,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:18:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:15,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:15,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:18:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:15,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:15,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:18:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:15,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:15,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:18:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:15,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:15,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:15,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:15,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:15,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-14 08:18:15,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370979291] [2020-10-14 08:18:15,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:15,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:18:15,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154411927] [2020-10-14 08:18:15,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:18:15,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:15,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:18:15,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:18:15,335 INFO L87 Difference]: Start difference. First operand 330 states and 462 transitions. Second operand 5 states. [2020-10-14 08:18:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:16,636 INFO L93 Difference]: Finished difference Result 658 states and 935 transitions. [2020-10-14 08:18:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:18:16,636 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-10-14 08:18:16,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:16,639 INFO L225 Difference]: With dead ends: 658 [2020-10-14 08:18:16,639 INFO L226 Difference]: Without dead ends: 402 [2020-10-14 08:18:16,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:18:16,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-10-14 08:18:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 399. [2020-10-14 08:18:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-10-14 08:18:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 557 transitions. [2020-10-14 08:18:16,672 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 557 transitions. Word has length 81 [2020-10-14 08:18:16,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:16,673 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 557 transitions. [2020-10-14 08:18:16,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:18:16,673 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 557 transitions. [2020-10-14 08:18:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 08:18:16,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:16,674 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:16,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 08:18:16,675 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:16,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:16,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1117659817, now seen corresponding path program 1 times [2020-10-14 08:18:16,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:16,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1043068537] [2020-10-14 08:18:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:16,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:16,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:16,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:17,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 08:18:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:18:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2403 [2020-10-14 08:18:19,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 08:18:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:18:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:19,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:19,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:19,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:19,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:19,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:19,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:19,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:19,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:19,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:19,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:19,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:19,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:19,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 08:18:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:19,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:19,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:19,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:19,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:19,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:19,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:19,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:19,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 08:18:19,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1043068537] [2020-10-14 08:18:19,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:19,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 08:18:19,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10701213] [2020-10-14 08:18:19,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 08:18:19,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:19,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 08:18:19,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:18:19,497 INFO L87 Difference]: Start difference. First operand 399 states and 557 transitions. Second operand 9 states. [2020-10-14 08:18:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:22,285 INFO L93 Difference]: Finished difference Result 924 states and 1307 transitions. [2020-10-14 08:18:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 08:18:22,286 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-14 08:18:22,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:22,290 INFO L225 Difference]: With dead ends: 924 [2020-10-14 08:18:22,290 INFO L226 Difference]: Without dead ends: 742 [2020-10-14 08:18:22,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2020-10-14 08:18:22,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-10-14 08:18:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 734. [2020-10-14 08:18:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-10-14 08:18:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1027 transitions. [2020-10-14 08:18:22,347 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1027 transitions. Word has length 84 [2020-10-14 08:18:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:22,348 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 1027 transitions. [2020-10-14 08:18:22,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 08:18:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1027 transitions. [2020-10-14 08:18:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 08:18:22,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:22,349 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:22,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 08:18:22,350 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:22,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:22,350 INFO L82 PathProgramCache]: Analyzing trace with hash -991348861, now seen corresponding path program 1 times [2020-10-14 08:18:22,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:22,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200891546] [2020-10-14 08:18:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-14 08:18:22,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:22,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-14 08:18:22,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 08:18:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:22,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:22,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:22,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:22,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:18:22,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:22,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:22,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:22,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:18:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:22,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:22,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:22,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:18:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:22,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:22,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 08:18:22,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:18:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:22,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:22,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:18:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:22,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:22,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:22,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:22,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:22,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:22,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:22,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 08:18:22,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200891546] [2020-10-14 08:18:22,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:22,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:18:22,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756648870] [2020-10-14 08:18:22,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:18:22,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:22,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:18:22,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:18:22,760 INFO L87 Difference]: Start difference. First operand 734 states and 1027 transitions. Second operand 5 states. [2020-10-14 08:18:23,497 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-14 08:18:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:24,143 INFO L93 Difference]: Finished difference Result 1360 states and 1923 transitions. [2020-10-14 08:18:24,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 08:18:24,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-14 08:18:24,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:24,147 INFO L225 Difference]: With dead ends: 1360 [2020-10-14 08:18:24,147 INFO L226 Difference]: Without dead ends: 716 [2020-10-14 08:18:24,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 08:18:24,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-14 08:18:24,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-14 08:18:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-14 08:18:24,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 985 transitions. [2020-10-14 08:18:24,203 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 985 transitions. Word has length 82 [2020-10-14 08:18:24,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:24,203 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 985 transitions. [2020-10-14 08:18:24,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:18:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 985 transitions. [2020-10-14 08:18:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-14 08:18:24,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:24,206 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:24,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 08:18:24,206 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:24,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:24,206 INFO L82 PathProgramCache]: Analyzing trace with hash 2035298161, now seen corresponding path program 1 times [2020-10-14 08:18:24,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:24,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969613938] [2020-10-14 08:18:24,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:24,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:24,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:24,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 08:18:26,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:18:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2084 [2020-10-14 08:18:26,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 08:18:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:26,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:26,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:26,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:26,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:18:26,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:18:26,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:26,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:26,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:26,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:26,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:18:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:26,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:26,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:26,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:18:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:26,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:26,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 08:18:26,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:18:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:26,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:26,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:18:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:26,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:26,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:26,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:18:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:26,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 08:18:26,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:18:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:18:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:26,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:18:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:26,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:26,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:26,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:26,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:26,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:18:26,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 08:18:26,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969613938] [2020-10-14 08:18:26,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:26,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 08:18:26,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440017031] [2020-10-14 08:18:26,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:18:26,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:26,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:18:26,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:18:26,599 INFO L87 Difference]: Start difference. First operand 716 states and 985 transitions. Second operand 5 states. [2020-10-14 08:18:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:27,805 INFO L93 Difference]: Finished difference Result 1309 states and 1806 transitions. [2020-10-14 08:18:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:18:27,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-10-14 08:18:27,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:27,813 INFO L225 Difference]: With dead ends: 1309 [2020-10-14 08:18:27,813 INFO L226 Difference]: Without dead ends: 670 [2020-10-14 08:18:27,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:18:27,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-10-14 08:18:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2020-10-14 08:18:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-10-14 08:18:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 913 transitions. [2020-10-14 08:18:27,876 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 913 transitions. Word has length 99 [2020-10-14 08:18:27,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:27,877 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 913 transitions. [2020-10-14 08:18:27,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:18:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 913 transitions. [2020-10-14 08:18:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-14 08:18:27,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:27,880 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:27,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 08:18:27,881 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:27,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1224961594, now seen corresponding path program 1 times [2020-10-14 08:18:27,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:27,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143189376] [2020-10-14 08:18:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:27,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 08:18:28,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:18:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 730 [2020-10-14 08:18:28,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:18:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 08:18:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:18:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:28,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:18:28,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:18:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:18:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:28,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:28,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:18:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:28,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:28,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:18:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:28,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:28,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:18:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:18:28,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:28,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:18:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:28,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:28,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:18:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 08:18:28,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:18:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:18:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:28,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:18:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:28,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:28,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:28,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:28,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:28,867 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 08:18:28,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143189376] [2020-10-14 08:18:28,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:28,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 08:18:28,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035897379] [2020-10-14 08:18:28,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 08:18:28,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:28,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 08:18:28,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 08:18:28,870 INFO L87 Difference]: Start difference. First operand 670 states and 913 transitions. Second operand 6 states. [2020-10-14 08:18:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:30,171 INFO L93 Difference]: Finished difference Result 1242 states and 1699 transitions. [2020-10-14 08:18:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:18:30,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2020-10-14 08:18:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:30,177 INFO L225 Difference]: With dead ends: 1242 [2020-10-14 08:18:30,177 INFO L226 Difference]: Without dead ends: 680 [2020-10-14 08:18:30,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 08:18:30,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-14 08:18:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 674. [2020-10-14 08:18:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-14 08:18:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 917 transitions. [2020-10-14 08:18:30,230 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 917 transitions. Word has length 101 [2020-10-14 08:18:30,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:30,233 INFO L479 AbstractCegarLoop]: Abstraction has 674 states and 917 transitions. [2020-10-14 08:18:30,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 08:18:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 917 transitions. [2020-10-14 08:18:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-14 08:18:30,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:30,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:30,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 08:18:30,236 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:30,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1564397036, now seen corresponding path program 1 times [2020-10-14 08:18:30,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:30,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019720434] [2020-10-14 08:18:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:30,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:31,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 08:18:35,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:18:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 08:18:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 08:18:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 08:18:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:35,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:35,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:35,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:35,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:35,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:35,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:35,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:35,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:35,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:35,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 08:18:35,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:35,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:35,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:35,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:18:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:35,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:35,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 08:18:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:35,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:18:35,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:18:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:35,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:35,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:18:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:18:35,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:18:35,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 08:18:35,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:35,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:35,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:35,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:35,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 08:18:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:18:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 08:18:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:35,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:35,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:35,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:35,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:35,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:35,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:35,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:35,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 08:18:35,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019720434] [2020-10-14 08:18:35,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:35,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 08:18:35,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532812776] [2020-10-14 08:18:35,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 08:18:35,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:35,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 08:18:35,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 08:18:35,727 INFO L87 Difference]: Start difference. First operand 674 states and 917 transitions. Second operand 10 states. [2020-10-14 08:18:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:37,958 INFO L93 Difference]: Finished difference Result 1624 states and 2235 transitions. [2020-10-14 08:18:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 08:18:37,958 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-10-14 08:18:37,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:37,965 INFO L225 Difference]: With dead ends: 1624 [2020-10-14 08:18:37,965 INFO L226 Difference]: Without dead ends: 1125 [2020-10-14 08:18:37,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:18:37,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2020-10-14 08:18:38,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1114. [2020-10-14 08:18:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-10-14 08:18:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1524 transitions. [2020-10-14 08:18:38,060 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1524 transitions. Word has length 108 [2020-10-14 08:18:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:38,060 INFO L479 AbstractCegarLoop]: Abstraction has 1114 states and 1524 transitions. [2020-10-14 08:18:38,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 08:18:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1524 transitions. [2020-10-14 08:18:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 08:18:38,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:38,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:38,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 08:18:38,065 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:38,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:38,065 INFO L82 PathProgramCache]: Analyzing trace with hash -114715761, now seen corresponding path program 1 times [2020-10-14 08:18:38,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:38,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682597173] [2020-10-14 08:18:38,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:38,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:38,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:38,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 08:18:40,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:18:40,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2397 [2020-10-14 08:18:40,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:40,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-14 08:18:40,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 08:18:40,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:40,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:40,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:40,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:40,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:40,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:40,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:40,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:40,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:40,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:40,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:40,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:40,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:40,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:40,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:18:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:40,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:40,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 08:18:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:18:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:18:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:18:40,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 08:18:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:18:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:18:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:18:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:40,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:40,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:40,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 08:18:40,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682597173] [2020-10-14 08:18:40,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:40,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 08:18:40,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133751585] [2020-10-14 08:18:40,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 08:18:40,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:40,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 08:18:40,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 08:18:40,888 INFO L87 Difference]: Start difference. First operand 1114 states and 1524 transitions. Second operand 10 states. [2020-10-14 08:18:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:43,363 INFO L93 Difference]: Finished difference Result 2899 states and 4010 transitions. [2020-10-14 08:18:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 08:18:43,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-10-14 08:18:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:43,374 INFO L225 Difference]: With dead ends: 2899 [2020-10-14 08:18:43,374 INFO L226 Difference]: Without dead ends: 1960 [2020-10-14 08:18:43,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:18:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2020-10-14 08:18:43,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1946. [2020-10-14 08:18:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2020-10-14 08:18:43,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2679 transitions. [2020-10-14 08:18:43,533 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2679 transitions. Word has length 109 [2020-10-14 08:18:43,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:43,533 INFO L479 AbstractCegarLoop]: Abstraction has 1946 states and 2679 transitions. [2020-10-14 08:18:43,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 08:18:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2679 transitions. [2020-10-14 08:18:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 08:18:43,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:43,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:43,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 08:18:43,538 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:43,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:43,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1258275135, now seen corresponding path program 1 times [2020-10-14 08:18:43,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:43,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416687944] [2020-10-14 08:18:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:43,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:43,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:43,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:45,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:45,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 08:18:48,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:18:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 08:18:48,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 08:18:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 08:18:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:48,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:48,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:48,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:48,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:48,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:48,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 08:18:48,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:18:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:48,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:18:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:18:48,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:18:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:18:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:48,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:48,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:18:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 08:18:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 08:18:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:18:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:48,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:48,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:48,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:48,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:18:48,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:48,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 08:18:48,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416687944] [2020-10-14 08:18:48,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:48,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 08:18:48,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251829585] [2020-10-14 08:18:48,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 08:18:48,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:48,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 08:18:48,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 08:18:48,954 INFO L87 Difference]: Start difference. First operand 1946 states and 2679 transitions. Second operand 10 states. [2020-10-14 08:18:51,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:18:51,826 INFO L93 Difference]: Finished difference Result 3774 states and 5202 transitions. [2020-10-14 08:18:51,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 08:18:51,827 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2020-10-14 08:18:51,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:18:51,842 INFO L225 Difference]: With dead ends: 3774 [2020-10-14 08:18:51,842 INFO L226 Difference]: Without dead ends: 2003 [2020-10-14 08:18:51,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:18:51,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2020-10-14 08:18:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1983. [2020-10-14 08:18:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1983 states. [2020-10-14 08:18:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2703 transitions. [2020-10-14 08:18:52,102 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2703 transitions. Word has length 116 [2020-10-14 08:18:52,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:18:52,105 INFO L479 AbstractCegarLoop]: Abstraction has 1983 states and 2703 transitions. [2020-10-14 08:18:52,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 08:18:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2703 transitions. [2020-10-14 08:18:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 08:18:52,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:18:52,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:18:52,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 08:18:52,111 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:18:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:18:52,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1048677475, now seen corresponding path program 1 times [2020-10-14 08:18:52,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:18:52,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96321383] [2020-10-14 08:18:52,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:18:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:52,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:55,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 08:18:57,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:18:57,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 08:18:57,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-14 08:18:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 08:18:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:18:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:18:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:57,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:57,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:18:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:57,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:18:57,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:18:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:18:57,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:18:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 08:18:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:57,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:57,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 08:18:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:57,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:57,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:18:57,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:18:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:18:57,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:18:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:18:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:18:57,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:18:57,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:57,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:18:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:18:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:18:57,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:18:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 08:18:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:18:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:18:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 08:18:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:18:57,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:18:57,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:18:57,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:18:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:18:57,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 08:18:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:18:57,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:18:57,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:18:57,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:18:57,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:18:57,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:18:57,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:18:57,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:18:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:18:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:18:57,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:18:57,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:18:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 08:18:57,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96321383] [2020-10-14 08:18:57,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:18:57,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 08:18:57,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652458014] [2020-10-14 08:18:57,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 08:18:57,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:18:57,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 08:18:57,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 08:18:57,575 INFO L87 Difference]: Start difference. First operand 1983 states and 2703 transitions. Second operand 10 states. [2020-10-14 08:19:00,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:00,324 INFO L93 Difference]: Finished difference Result 3793 states and 5190 transitions. [2020-10-14 08:19:00,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 08:19:00,325 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2020-10-14 08:19:00,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:00,336 INFO L225 Difference]: With dead ends: 3793 [2020-10-14 08:19:00,337 INFO L226 Difference]: Without dead ends: 2022 [2020-10-14 08:19:00,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:19:00,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2020-10-14 08:19:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 2008. [2020-10-14 08:19:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2020-10-14 08:19:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 2726 transitions. [2020-10-14 08:19:00,512 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 2726 transitions. Word has length 116 [2020-10-14 08:19:00,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:00,512 INFO L479 AbstractCegarLoop]: Abstraction has 2008 states and 2726 transitions. [2020-10-14 08:19:00,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 08:19:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2726 transitions. [2020-10-14 08:19:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 08:19:00,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:00,516 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:00,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 08:19:00,516 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:00,516 INFO L82 PathProgramCache]: Analyzing trace with hash 851851475, now seen corresponding path program 1 times [2020-10-14 08:19:00,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:00,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143839591] [2020-10-14 08:19:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:00,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:00,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:00,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 08:19:03,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:19:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3209 [2020-10-14 08:19:03,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 08:19:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:03,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:03,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:03,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:03,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:03,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:03,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:03,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:19:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:03,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 08:19:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:03,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:04,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:04,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:04,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:04,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:04,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:04,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:04,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:04,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:04,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:04,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:04,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:04,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:04,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:04,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:04,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:04,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:19:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:04,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:04,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:04,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:04,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:04,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:04,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:04,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:04,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:04,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:04,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 08:19:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:04,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:19:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:04,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 08:19:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:04,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:04,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:04,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:04,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:04,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-14 08:19:04,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143839591] [2020-10-14 08:19:04,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:04,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:19:04,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24229984] [2020-10-14 08:19:04,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:19:04,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:04,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:19:04,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:19:04,132 INFO L87 Difference]: Start difference. First operand 2008 states and 2726 transitions. Second operand 12 states. [2020-10-14 08:19:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:06,286 INFO L93 Difference]: Finished difference Result 3782 states and 5161 transitions. [2020-10-14 08:19:06,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:19:06,287 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-10-14 08:19:06,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:06,298 INFO L225 Difference]: With dead ends: 3782 [2020-10-14 08:19:06,298 INFO L226 Difference]: Without dead ends: 2008 [2020-10-14 08:19:06,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-14 08:19:06,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2020-10-14 08:19:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2008. [2020-10-14 08:19:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2020-10-14 08:19:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 2723 transitions. [2020-10-14 08:19:06,453 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 2723 transitions. Word has length 110 [2020-10-14 08:19:06,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:06,453 INFO L479 AbstractCegarLoop]: Abstraction has 2008 states and 2723 transitions. [2020-10-14 08:19:06,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:19:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2723 transitions. [2020-10-14 08:19:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 08:19:06,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:06,457 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:06,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 08:19:06,457 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:06,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:06,457 INFO L82 PathProgramCache]: Analyzing trace with hash 429149649, now seen corresponding path program 1 times [2020-10-14 08:19:06,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:06,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768083774] [2020-10-14 08:19:06,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:06,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:06,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1762 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 08:19:08,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 08:19:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:08,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:08,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:08,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:08,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:08,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:08,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:08,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 08:19:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:08,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:08,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 08:19:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:08,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:19:08,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:08,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 08:19:08,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 08:19:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:08,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:08,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 08:19:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:08,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:08,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:08,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 08:19:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 08:19:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:08,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:08,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:08,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:08,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-14 08:19:08,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768083774] [2020-10-14 08:19:08,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:08,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 08:19:08,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430335529] [2020-10-14 08:19:08,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 08:19:08,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:08,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 08:19:08,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 08:19:08,596 INFO L87 Difference]: Start difference. First operand 2008 states and 2723 transitions. Second operand 10 states. [2020-10-14 08:19:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:11,249 INFO L93 Difference]: Finished difference Result 5082 states and 6933 transitions. [2020-10-14 08:19:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 08:19:11,250 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-14 08:19:11,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:11,265 INFO L225 Difference]: With dead ends: 5082 [2020-10-14 08:19:11,266 INFO L226 Difference]: Without dead ends: 3252 [2020-10-14 08:19:11,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-14 08:19:11,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2020-10-14 08:19:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3226. [2020-10-14 08:19:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3226 states. [2020-10-14 08:19:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 4391 transitions. [2020-10-14 08:19:11,561 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 4391 transitions. Word has length 110 [2020-10-14 08:19:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:11,561 INFO L479 AbstractCegarLoop]: Abstraction has 3226 states and 4391 transitions. [2020-10-14 08:19:11,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 08:19:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 4391 transitions. [2020-10-14 08:19:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 08:19:11,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:11,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:11,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 08:19:11,566 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:11,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:11,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1266845862, now seen corresponding path program 1 times [2020-10-14 08:19:11,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:11,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461095618] [2020-10-14 08:19:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:11,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:11,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:11,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:11,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 08:19:16,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:19:16,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:19:16,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 08:19:16,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:16,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:16,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:16,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:16,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:16,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:16,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:16,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:16,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:16,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:16,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:16,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:16,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:16,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:16,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:16,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:16,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:19:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 08:19:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:16,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:16,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:16,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:16,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:19:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:19:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-14 08:19:16,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461095618] [2020-10-14 08:19:16,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:16,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 08:19:16,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559216343] [2020-10-14 08:19:16,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:19:16,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:19:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:19:16,933 INFO L87 Difference]: Start difference. First operand 3226 states and 4391 transitions. Second operand 11 states. [2020-10-14 08:19:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:18,830 INFO L93 Difference]: Finished difference Result 6562 states and 8995 transitions. [2020-10-14 08:19:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:19:18,831 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-10-14 08:19:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:18,847 INFO L225 Difference]: With dead ends: 6562 [2020-10-14 08:19:18,847 INFO L226 Difference]: Without dead ends: 3223 [2020-10-14 08:19:18,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:19:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3223 states. [2020-10-14 08:19:19,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3223 to 3223. [2020-10-14 08:19:19,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3223 states. [2020-10-14 08:19:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 4319 transitions. [2020-10-14 08:19:19,031 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 4319 transitions. Word has length 114 [2020-10-14 08:19:19,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:19,031 INFO L479 AbstractCegarLoop]: Abstraction has 3223 states and 4319 transitions. [2020-10-14 08:19:19,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:19:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 4319 transitions. [2020-10-14 08:19:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-14 08:19:19,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:19,035 INFO L422 BasicCegarLoop]: trace histogram [8, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:19,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 08:19:19,035 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:19,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:19,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1228887880, now seen corresponding path program 1 times [2020-10-14 08:19:19,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:19,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703169075] [2020-10-14 08:19:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 08:19:19,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:19:19,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-14 08:19:19,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:19,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 08:19:19,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:19:19,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:19,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:19,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:19:19,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:19,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:19,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:19,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:19:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:19,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:19,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:19:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:19:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:19:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:19,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:19,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 08:19:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:19,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 08:19:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-14 08:19:19,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703169075] [2020-10-14 08:19:19,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:19:19,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 08:19:19,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524545753] [2020-10-14 08:19:19,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 08:19:19,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:19,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 08:19:19,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 08:19:19,694 INFO L87 Difference]: Start difference. First operand 3223 states and 4319 transitions. Second operand 5 states. [2020-10-14 08:19:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:21,035 INFO L93 Difference]: Finished difference Result 6338 states and 8504 transitions. [2020-10-14 08:19:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 08:19:21,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-10-14 08:19:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:21,052 INFO L225 Difference]: With dead ends: 6338 [2020-10-14 08:19:21,052 INFO L226 Difference]: Without dead ends: 3197 [2020-10-14 08:19:21,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 08:19:21,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2020-10-14 08:19:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3197. [2020-10-14 08:19:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3197 states. [2020-10-14 08:19:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 4278 transitions. [2020-10-14 08:19:21,246 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 4278 transitions. Word has length 107 [2020-10-14 08:19:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:21,246 INFO L479 AbstractCegarLoop]: Abstraction has 3197 states and 4278 transitions. [2020-10-14 08:19:21,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 08:19:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 4278 transitions. [2020-10-14 08:19:21,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-14 08:19:21,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:21,250 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:21,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 08:19:21,250 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:21,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:21,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1976797815, now seen corresponding path program 1 times [2020-10-14 08:19:21,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:21,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504690701] [2020-10-14 08:19:21,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-14 08:19:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 08:19:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:21,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:21,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:21,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:21,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:21,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:21,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:21,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:21,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:21,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:21,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:21,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:21,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:21,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:21,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:21,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:21,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:21,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:21,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:21,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:21,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 08:19:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 08:19:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:22,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:22,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:22,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:22,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 08:19:22,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504690701] [2020-10-14 08:19:22,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:22,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 08:19:22,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516844805] [2020-10-14 08:19:22,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:19:22,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:22,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:19:22,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:19:22,030 INFO L87 Difference]: Start difference. First operand 3197 states and 4278 transitions. Second operand 11 states. [2020-10-14 08:19:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:23,808 INFO L93 Difference]: Finished difference Result 6211 states and 8545 transitions. [2020-10-14 08:19:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 08:19:23,809 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 115 [2020-10-14 08:19:23,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:23,821 INFO L225 Difference]: With dead ends: 6211 [2020-10-14 08:19:23,822 INFO L226 Difference]: Without dead ends: 3149 [2020-10-14 08:19:23,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-10-14 08:19:23,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2020-10-14 08:19:24,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3095. [2020-10-14 08:19:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3095 states. [2020-10-14 08:19:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4123 transitions. [2020-10-14 08:19:24,059 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4123 transitions. Word has length 115 [2020-10-14 08:19:24,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:24,059 INFO L479 AbstractCegarLoop]: Abstraction has 3095 states and 4123 transitions. [2020-10-14 08:19:24,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:19:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4123 transitions. [2020-10-14 08:19:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-14 08:19:24,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:24,065 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:24,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-14 08:19:24,065 INFO L427 AbstractCegarLoop]: === Iteration 29 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:24,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:24,066 INFO L82 PathProgramCache]: Analyzing trace with hash 430670889, now seen corresponding path program 1 times [2020-10-14 08:19:24,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:24,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699137870] [2020-10-14 08:19:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:24,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:26,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 08:19:29,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:19:29,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 08:19:29,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-14 08:19:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:29,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:29,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:29,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:29,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:29,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 08:19:29,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:29,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:29,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:29,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:29,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:29,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:29,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:29,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:19:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:19:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:29,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:29,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:29,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:29,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:19:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:19:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 08:19:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:29,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:19:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-14 08:19:29,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699137870] [2020-10-14 08:19:29,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:19:29,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 08:19:29,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324324301] [2020-10-14 08:19:29,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:19:29,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:29,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:19:29,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:19:29,512 INFO L87 Difference]: Start difference. First operand 3095 states and 4123 transitions. Second operand 11 states. [2020-10-14 08:19:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:31,512 INFO L93 Difference]: Finished difference Result 6159 states and 8408 transitions. [2020-10-14 08:19:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:19:31,512 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2020-10-14 08:19:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:31,528 INFO L225 Difference]: With dead ends: 6159 [2020-10-14 08:19:31,528 INFO L226 Difference]: Without dead ends: 3199 [2020-10-14 08:19:31,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:19:31,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2020-10-14 08:19:31,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3199. [2020-10-14 08:19:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3199 states. [2020-10-14 08:19:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 3199 states and 4204 transitions. [2020-10-14 08:19:31,755 INFO L78 Accepts]: Start accepts. Automaton has 3199 states and 4204 transitions. Word has length 132 [2020-10-14 08:19:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:31,755 INFO L479 AbstractCegarLoop]: Abstraction has 3199 states and 4204 transitions. [2020-10-14 08:19:31,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:19:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 4204 transitions. [2020-10-14 08:19:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 08:19:31,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:31,760 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:31,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-14 08:19:31,761 INFO L427 AbstractCegarLoop]: === Iteration 30 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:31,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:31,761 INFO L82 PathProgramCache]: Analyzing trace with hash -233124010, now seen corresponding path program 1 times [2020-10-14 08:19:31,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:31,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271131073] [2020-10-14 08:19:31,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:31,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:31,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:19:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-14 08:19:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:19:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:32,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:32,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:32,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:32,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:32,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:32,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:32,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:32,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:32,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:32,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:32,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:32,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:32,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:32,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:32,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:32,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:19:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:19:32,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 08:19:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:32,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:19:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:32,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:32,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-14 08:19:32,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271131073] [2020-10-14 08:19:32,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:32,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 08:19:32,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743954446] [2020-10-14 08:19:32,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:19:32,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:32,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:19:32,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:19:32,975 INFO L87 Difference]: Start difference. First operand 3199 states and 4204 transitions. Second operand 14 states. [2020-10-14 08:19:35,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:35,457 INFO L93 Difference]: Finished difference Result 3436 states and 4605 transitions. [2020-10-14 08:19:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 08:19:35,458 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 133 [2020-10-14 08:19:35,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:35,475 INFO L225 Difference]: With dead ends: 3436 [2020-10-14 08:19:35,475 INFO L226 Difference]: Without dead ends: 3434 [2020-10-14 08:19:35,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-14 08:19:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2020-10-14 08:19:35,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3313. [2020-10-14 08:19:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2020-10-14 08:19:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 4325 transitions. [2020-10-14 08:19:35,731 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 4325 transitions. Word has length 133 [2020-10-14 08:19:35,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:35,732 INFO L479 AbstractCegarLoop]: Abstraction has 3313 states and 4325 transitions. [2020-10-14 08:19:35,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:19:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 4325 transitions. [2020-10-14 08:19:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 08:19:35,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:35,739 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:35,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-14 08:19:35,739 INFO L427 AbstractCegarLoop]: === Iteration 31 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:35,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:35,740 INFO L82 PathProgramCache]: Analyzing trace with hash -144558960, now seen corresponding path program 1 times [2020-10-14 08:19:35,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:35,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259736773] [2020-10-14 08:19:35,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:35,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 08:19:40,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:19:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 08:19:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 08:19:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-14 08:19:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 08:19:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:40,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:40,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:40,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:40,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:40,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:40,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:40,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:40,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:40,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:40,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:40,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:40,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:40,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:40,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:40,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:40,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:41,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:41,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:41,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:41,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:41,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:41,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:41,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:41,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:19:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 08:19:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:41,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:41,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:41,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:41,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:41,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:41,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:19:41,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:41,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:19:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:19:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:41,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:41,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:19:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:19:41,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:41,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 08:19:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:41,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:41,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:41,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:41,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:19:41,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:41,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:41,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:41,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:41,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:19:41,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 08:19:41,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259736773] [2020-10-14 08:19:41,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:41,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 08:19:41,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057015562] [2020-10-14 08:19:41,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 08:19:41,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:41,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 08:19:41,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-14 08:19:41,292 INFO L87 Difference]: Start difference. First operand 3313 states and 4325 transitions. Second operand 15 states. [2020-10-14 08:19:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:46,237 INFO L93 Difference]: Finished difference Result 10297 states and 14016 transitions. [2020-10-14 08:19:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 08:19:46,238 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2020-10-14 08:19:46,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:46,269 INFO L225 Difference]: With dead ends: 10297 [2020-10-14 08:19:46,270 INFO L226 Difference]: Without dead ends: 7185 [2020-10-14 08:19:46,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-10-14 08:19:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2020-10-14 08:19:46,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 4727. [2020-10-14 08:19:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4727 states. [2020-10-14 08:19:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 4727 states and 6145 transitions. [2020-10-14 08:19:46,721 INFO L78 Accepts]: Start accepts. Automaton has 4727 states and 6145 transitions. Word has length 141 [2020-10-14 08:19:46,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:46,722 INFO L479 AbstractCegarLoop]: Abstraction has 4727 states and 6145 transitions. [2020-10-14 08:19:46,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 08:19:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 6145 transitions. [2020-10-14 08:19:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 08:19:46,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:46,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:46,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-14 08:19:46,734 INFO L427 AbstractCegarLoop]: === Iteration 32 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:46,734 INFO L82 PathProgramCache]: Analyzing trace with hash -15476241, now seen corresponding path program 1 times [2020-10-14 08:19:46,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:46,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332416982] [2020-10-14 08:19:46,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:46,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 605 [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 168 [2020-10-14 08:19:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:47,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:47,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:47,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:47,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:19:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:47,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:47,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:47,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:47,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:47,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:19:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:47,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:47,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 08:19:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:47,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:47,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:47,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:47,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:47,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:47,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:19:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:19:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-14 08:19:47,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332416982] [2020-10-14 08:19:47,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:19:47,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 08:19:47,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104560389] [2020-10-14 08:19:47,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:19:47,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:47,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:19:47,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:19:47,785 INFO L87 Difference]: Start difference. First operand 4727 states and 6145 transitions. Second operand 11 states. [2020-10-14 08:19:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:49,858 INFO L93 Difference]: Finished difference Result 9337 states and 12204 transitions. [2020-10-14 08:19:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:19:49,858 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2020-10-14 08:19:49,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:49,877 INFO L225 Difference]: With dead ends: 9337 [2020-10-14 08:19:49,877 INFO L226 Difference]: Without dead ends: 4559 [2020-10-14 08:19:49,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:19:49,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2020-10-14 08:19:50,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 4559. [2020-10-14 08:19:50,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4559 states. [2020-10-14 08:19:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 5788 transitions. [2020-10-14 08:19:50,264 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 5788 transitions. Word has length 141 [2020-10-14 08:19:50,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:50,265 INFO L479 AbstractCegarLoop]: Abstraction has 4559 states and 5788 transitions. [2020-10-14 08:19:50,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:19:50,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 5788 transitions. [2020-10-14 08:19:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-14 08:19:50,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:50,276 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:50,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-14 08:19:50,276 INFO L427 AbstractCegarLoop]: === Iteration 33 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:50,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:50,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1918876629, now seen corresponding path program 1 times [2020-10-14 08:19:50,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:50,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332291719] [2020-10-14 08:19:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:50,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:50,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:52,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:19:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 08:19:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:19:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:55,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:55,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 08:19:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:55,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:55,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:55,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 08:19:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:19:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:19:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:19:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:55,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:19:55,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:19:55,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:55,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 08:19:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 08:19:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:55,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:55,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:19:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 08:19:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:55,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:55,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 08:19:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:55,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:55,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:19:55,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:19:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:19:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:55,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:19:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:55,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:55,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:55,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-14 08:19:55,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332291719] [2020-10-14 08:19:55,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:19:55,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 08:19:55,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109506626] [2020-10-14 08:19:55,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 08:19:55,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:19:55,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 08:19:55,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-14 08:19:55,797 INFO L87 Difference]: Start difference. First operand 4559 states and 5788 transitions. Second operand 14 states. [2020-10-14 08:19:58,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:19:58,325 INFO L93 Difference]: Finished difference Result 8947 states and 11372 transitions. [2020-10-14 08:19:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 08:19:58,326 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2020-10-14 08:19:58,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:19:58,344 INFO L225 Difference]: With dead ends: 8947 [2020-10-14 08:19:58,344 INFO L226 Difference]: Without dead ends: 4551 [2020-10-14 08:19:58,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:19:58,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2020-10-14 08:19:58,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 4551. [2020-10-14 08:19:58,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4551 states. [2020-10-14 08:19:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 5770 transitions. [2020-10-14 08:19:58,634 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 5770 transitions. Word has length 151 [2020-10-14 08:19:58,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:19:58,634 INFO L479 AbstractCegarLoop]: Abstraction has 4551 states and 5770 transitions. [2020-10-14 08:19:58,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 08:19:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 5770 transitions. [2020-10-14 08:19:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-14 08:19:58,646 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:19:58,646 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 8, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:19:58,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-14 08:19:58,646 INFO L427 AbstractCegarLoop]: === Iteration 34 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:19:58,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:19:58,647 INFO L82 PathProgramCache]: Analyzing trace with hash -2039058912, now seen corresponding path program 1 times [2020-10-14 08:19:58,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:19:58,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687191739] [2020-10-14 08:19:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:19:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:58,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:58,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-10-14 08:19:59,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:19:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:19:59,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:59,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 08:19:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 08:19:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 08:19:59,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:19:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-14 08:19:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:19:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:59,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:19:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:59,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:19:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:19:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:19:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:19:59,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:19:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:59,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:59,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:19:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:19:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:19:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:19:59,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:19:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:19:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 08:19:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 08:19:59,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:19:59,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:19:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 08:19:59,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:19:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 08:19:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:19:59,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 08:19:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:19:59,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:19:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:19:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:59,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:19:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-14 08:19:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:19:59,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-14 08:19:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:19:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-14 08:19:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:19:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:19:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-14 08:19:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:19:59,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:19:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:19:59,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:19:59,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:19:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:19:59,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:19:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:19:59,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:19:59,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:19:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:19:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:19:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:19:59,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:00,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:00,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:00,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:00,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:00,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:00,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:00,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:00,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:00,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:20:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:00,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:00,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:00,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:00,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:00,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:00,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2020-10-14 08:20:00,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687191739] [2020-10-14 08:20:00,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:20:00,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:20:00,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145951888] [2020-10-14 08:20:00,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:20:00,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:00,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:20:00,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:20:00,049 INFO L87 Difference]: Start difference. First operand 4551 states and 5770 transitions. Second operand 12 states. [2020-10-14 08:20:02,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:20:02,122 INFO L93 Difference]: Finished difference Result 8949 states and 11363 transitions. [2020-10-14 08:20:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:20:02,122 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 266 [2020-10-14 08:20:02,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:20:02,138 INFO L225 Difference]: With dead ends: 8949 [2020-10-14 08:20:02,138 INFO L226 Difference]: Without dead ends: 4553 [2020-10-14 08:20:02,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-14 08:20:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2020-10-14 08:20:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 4551. [2020-10-14 08:20:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4551 states. [2020-10-14 08:20:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 5767 transitions. [2020-10-14 08:20:02,621 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 5767 transitions. Word has length 266 [2020-10-14 08:20:02,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:20:02,622 INFO L479 AbstractCegarLoop]: Abstraction has 4551 states and 5767 transitions. [2020-10-14 08:20:02,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:20:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 5767 transitions. [2020-10-14 08:20:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-14 08:20:02,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:20:02,629 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 7, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:20:02,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-14 08:20:02,629 INFO L427 AbstractCegarLoop]: === Iteration 35 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:20:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:20:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash -822645640, now seen corresponding path program 1 times [2020-10-14 08:20:02,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:20:02,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203961976] [2020-10-14 08:20:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:20:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:02,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-14 08:20:03,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:20:03,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 851 [2020-10-14 08:20:03,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:03,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-14 08:20:03,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:20:03,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:20:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:20:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-14 08:20:03,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:20:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-14 08:20:03,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 08:20:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 08:20:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:20:03,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:03,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:03,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:20:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:03,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:03,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:20:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:20:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:03,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:20:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:20:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:03,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:03,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 08:20:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:20:03,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:20:03,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:20:03,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:20:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 08:20:03,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 08:20:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:03,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:20:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-14 08:20:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:20:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:03,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:20:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:03,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:03,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:03,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:03,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-14 08:20:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:20:04,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:04,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:20:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 08:20:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-14 08:20:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-14 08:20:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:20:04,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:20:04,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 08:20:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:20:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:20:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:04,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:20:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:20:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:04,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:04,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:20:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:04,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:04,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:04,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:04,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:04,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:04,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 104 proven. 5 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-10-14 08:20:04,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203961976] [2020-10-14 08:20:04,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:20:04,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 08:20:04,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651227135] [2020-10-14 08:20:04,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:20:04,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:04,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:20:04,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:20:04,238 INFO L87 Difference]: Start difference. First operand 4551 states and 5767 transitions. Second operand 11 states. [2020-10-14 08:20:06,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:20:06,155 INFO L93 Difference]: Finished difference Result 8984 states and 11401 transitions. [2020-10-14 08:20:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:20:06,156 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 273 [2020-10-14 08:20:06,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:20:06,168 INFO L225 Difference]: With dead ends: 8984 [2020-10-14 08:20:06,168 INFO L226 Difference]: Without dead ends: 4551 [2020-10-14 08:20:06,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:20:06,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2020-10-14 08:20:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 4551. [2020-10-14 08:20:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4551 states. [2020-10-14 08:20:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 5764 transitions. [2020-10-14 08:20:06,491 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 5764 transitions. Word has length 273 [2020-10-14 08:20:06,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:20:06,491 INFO L479 AbstractCegarLoop]: Abstraction has 4551 states and 5764 transitions. [2020-10-14 08:20:06,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:20:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 5764 transitions. [2020-10-14 08:20:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-14 08:20:06,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:20:06,498 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 7, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:20:06,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-14 08:20:06,499 INFO L427 AbstractCegarLoop]: === Iteration 36 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:20:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:20:06,499 INFO L82 PathProgramCache]: Analyzing trace with hash -846128085, now seen corresponding path program 1 times [2020-10-14 08:20:06,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:20:06,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279946582] [2020-10-14 08:20:06,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:20:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:06,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:06,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:06,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:06,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-14 08:20:11,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:20:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:20:11,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:20:11,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 08:20:11,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:20:11,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:20:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:20:11,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:11,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-14 08:20:11,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-14 08:20:11,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:20:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 08:20:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 08:20:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:20:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:11,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:11,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:20:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:11,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:11,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:20:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 08:20:11,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:20:11,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:20:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:20:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 08:20:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:20:11,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:20:11,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 08:20:11,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:20:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:11,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:11,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:11,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:11,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 08:20:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:20:11,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:20:11,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 08:20:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:11,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:11,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:20:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:11,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-14 08:20:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:11,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:20:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-14 08:20:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:20:11,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:11,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:20:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:11,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:11,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:11,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:11,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:11,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:20:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:12,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:12,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-14 08:20:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:20:12,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:12,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:20:12,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:12,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:12,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-14 08:20:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:20:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-14 08:20:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:20:12,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:12,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:20:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:12,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:12,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-14 08:20:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:20:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:20:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:12,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:20:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:20:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:12,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:20:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:12,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:12,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:12,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:12,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2020-10-14 08:20:12,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279946582] [2020-10-14 08:20:12,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:20:12,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 08:20:12,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443050234] [2020-10-14 08:20:12,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:20:12,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:12,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:20:12,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:20:12,312 INFO L87 Difference]: Start difference. First operand 4551 states and 5764 transitions. Second operand 12 states. [2020-10-14 08:20:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:20:14,402 INFO L93 Difference]: Finished difference Result 9026 states and 11440 transitions. [2020-10-14 08:20:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:20:14,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 297 [2020-10-14 08:20:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:20:14,415 INFO L225 Difference]: With dead ends: 9026 [2020-10-14 08:20:14,416 INFO L226 Difference]: Without dead ends: 4551 [2020-10-14 08:20:14,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-14 08:20:14,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2020-10-14 08:20:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 4551. [2020-10-14 08:20:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4551 states. [2020-10-14 08:20:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 5761 transitions. [2020-10-14 08:20:14,662 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 5761 transitions. Word has length 297 [2020-10-14 08:20:14,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:20:14,663 INFO L479 AbstractCegarLoop]: Abstraction has 4551 states and 5761 transitions. [2020-10-14 08:20:14,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:20:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 5761 transitions. [2020-10-14 08:20:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-10-14 08:20:14,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:20:14,670 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:20:14,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-14 08:20:14,670 INFO L427 AbstractCegarLoop]: === Iteration 37 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:20:14,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:20:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1366232318, now seen corresponding path program 1 times [2020-10-14 08:20:14,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:20:14,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815241109] [2020-10-14 08:20:14,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:20:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:14,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:14,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:14,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:14,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:15,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 08:20:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:20:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:20:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-14 08:20:19,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:20:19,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 08:20:19,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:19,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 08:20:19,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 08:20:19,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:20:19,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:19,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:19,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:19,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:19,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:20:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:19,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:19,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:19,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:19,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:19,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:19,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:20:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:19,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:19,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 08:20:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:20:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 08:20:19,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:20:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 08:20:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 08:20:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:20:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 08:20:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:20:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:20,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 08:20:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:20:20,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:20:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-14 08:20:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:20,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 08:20:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-14 08:20:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:20:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:20:20,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-14 08:20:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:20:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-14 08:20:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:20:20,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 08:20:20,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-14 08:20:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:20:20,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-14 08:20:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:20:20,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:20,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 08:20:20,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:20,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-14 08:20:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 08:20:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:20:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:20,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:20,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:20:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:20,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:20:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:20:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:20,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:20,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:20,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:20:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:20,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:20,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 37 proven. 133 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2020-10-14 08:20:20,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815241109] [2020-10-14 08:20:20,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:20:20,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 08:20:20,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431483027] [2020-10-14 08:20:20,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:20:20,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:20,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:20:20,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:20:20,429 INFO L87 Difference]: Start difference. First operand 4551 states and 5761 transitions. Second operand 11 states. [2020-10-14 08:20:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:20:22,556 INFO L93 Difference]: Finished difference Result 9043 states and 11459 transitions. [2020-10-14 08:20:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:20:22,557 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 305 [2020-10-14 08:20:22,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:20:22,570 INFO L225 Difference]: With dead ends: 9043 [2020-10-14 08:20:22,570 INFO L226 Difference]: Without dead ends: 4545 [2020-10-14 08:20:22,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:20:22,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4545 states. [2020-10-14 08:20:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4545 to 4545. [2020-10-14 08:20:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4545 states. [2020-10-14 08:20:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4545 states and 5752 transitions. [2020-10-14 08:20:22,855 INFO L78 Accepts]: Start accepts. Automaton has 4545 states and 5752 transitions. Word has length 305 [2020-10-14 08:20:22,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:20:22,855 INFO L479 AbstractCegarLoop]: Abstraction has 4545 states and 5752 transitions. [2020-10-14 08:20:22,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:20:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 5752 transitions. [2020-10-14 08:20:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-14 08:20:22,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:20:22,863 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:20:22,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-14 08:20:22,863 INFO L427 AbstractCegarLoop]: === Iteration 38 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:20:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:20:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1500792624, now seen corresponding path program 1 times [2020-10-14 08:20:22,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:20:22,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448975021] [2020-10-14 08:20:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:20:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:22,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:23,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:23,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:27,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:27,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-14 08:20:27,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:20:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 08:20:27,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:27,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 08:20:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-14 08:20:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-14 08:20:27,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:20:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:20:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-14 08:20:28,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:20:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:28,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:28,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:28,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:20:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:20:28,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:28,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:20:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 08:20:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:28,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:28,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:20:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:20:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:20:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:20:28,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:20:28,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:20:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:28,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:28,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 08:20:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:28,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 08:20:29,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:29,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:20:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:29,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:20:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:20:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:29,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:29,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 08:20:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:20:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 08:20:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:29,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:20:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 08:20:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:20:29,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 08:20:29,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 08:20:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:29,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:20:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 08:20:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:20:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-14 08:20:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:20:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:29,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 08:20:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:20:29,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 08:20:29,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 08:20:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:20:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:20:29,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:20:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:20:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:20:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 08:20:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:20:29,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 08:20:29,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 08:20:29,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:20:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:20:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:29,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:20:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:29,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:29,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:20:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:29,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:29,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:20:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:20:29,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:20:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:29,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:20:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:20:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 146 proven. 15 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2020-10-14 08:20:29,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448975021] [2020-10-14 08:20:29,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:20:29,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-14 08:20:29,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707768913] [2020-10-14 08:20:29,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-14 08:20:29,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:29,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-14 08:20:29,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2020-10-14 08:20:29,877 INFO L87 Difference]: Start difference. First operand 4545 states and 5752 transitions. Second operand 22 states. [2020-10-14 08:20:30,837 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2020-10-14 08:20:31,460 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-14 08:20:39,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:20:39,715 INFO L93 Difference]: Finished difference Result 18412 states and 23695 transitions. [2020-10-14 08:20:39,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-14 08:20:39,716 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 326 [2020-10-14 08:20:39,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:20:39,756 INFO L225 Difference]: With dead ends: 18412 [2020-10-14 08:20:39,756 INFO L226 Difference]: Without dead ends: 14054 [2020-10-14 08:20:39,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=686, Invalid=3096, Unknown=0, NotChecked=0, Total=3782 [2020-10-14 08:20:39,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14054 states. [2020-10-14 08:20:40,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14054 to 11924. [2020-10-14 08:20:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11924 states. [2020-10-14 08:20:40,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11924 states to 11924 states and 14945 transitions. [2020-10-14 08:20:40,437 INFO L78 Accepts]: Start accepts. Automaton has 11924 states and 14945 transitions. Word has length 326 [2020-10-14 08:20:40,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:20:40,438 INFO L479 AbstractCegarLoop]: Abstraction has 11924 states and 14945 transitions. [2020-10-14 08:20:40,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-14 08:20:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 11924 states and 14945 transitions. [2020-10-14 08:20:40,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-10-14 08:20:40,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:20:40,446 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:20:40,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-14 08:20:40,446 INFO L427 AbstractCegarLoop]: === Iteration 39 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:20:40,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:20:40,447 INFO L82 PathProgramCache]: Analyzing trace with hash -807690927, now seen corresponding path program 1 times [2020-10-14 08:20:40,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:20:40,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415304415] [2020-10-14 08:20:40,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:20:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:40,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:40,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:40,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 402 [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:45,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 362 [2020-10-14 08:20:45,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:20:45,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:20:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:20:45,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 08:20:45,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:20:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:20:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:20:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 08:20:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:20:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:45,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:20:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:20:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:45,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:45,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 08:20:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:20:45,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:45,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:20:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 08:20:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 08:20:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:45,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:45,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:20:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 08:20:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-14 08:20:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:20:45,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:45,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:45,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 08:20:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:20:46,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:46,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:46,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:46,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 08:20:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 08:20:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:20:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:20:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:46,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:46,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:20:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:20:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:46,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:46,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 08:20:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 08:20:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:20:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:46,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:46,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 08:20:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 08:20:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:46,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 08:20:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2020-10-14 08:20:46,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415304415] [2020-10-14 08:20:46,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 08:20:46,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 08:20:46,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292801674] [2020-10-14 08:20:46,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 08:20:46,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:46,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 08:20:46,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 08:20:46,196 INFO L87 Difference]: Start difference. First operand 11924 states and 14945 transitions. Second operand 11 states. [2020-10-14 08:20:48,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:20:48,561 INFO L93 Difference]: Finished difference Result 20212 states and 25227 transitions. [2020-10-14 08:20:48,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 08:20:48,562 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 326 [2020-10-14 08:20:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:20:48,589 INFO L225 Difference]: With dead ends: 20212 [2020-10-14 08:20:48,589 INFO L226 Difference]: Without dead ends: 9698 [2020-10-14 08:20:48,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-14 08:20:48,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2020-10-14 08:20:49,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9698. [2020-10-14 08:20:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9698 states. [2020-10-14 08:20:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 12047 transitions. [2020-10-14 08:20:49,273 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 12047 transitions. Word has length 326 [2020-10-14 08:20:49,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:20:49,274 INFO L479 AbstractCegarLoop]: Abstraction has 9698 states and 12047 transitions. [2020-10-14 08:20:49,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 08:20:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 12047 transitions. [2020-10-14 08:20:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-14 08:20:49,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:20:49,281 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 8, 8, 8, 7, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:20:49,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-14 08:20:49,281 INFO L427 AbstractCegarLoop]: === Iteration 40 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:20:49,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:20:49,282 INFO L82 PathProgramCache]: Analyzing trace with hash 298929801, now seen corresponding path program 1 times [2020-10-14 08:20:49,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:20:49,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309724341] [2020-10-14 08:20:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:20:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:49,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 08:20:54,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 315 [2020-10-14 08:20:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 08:20:54,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:20:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:20:54,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:54,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 08:20:54,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 08:20:54,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:20:54,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:20:54,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:20:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:20:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:20:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:54,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:20:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 08:20:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:54,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:20:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:54,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:20:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:20:54,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:54,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:20:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:54,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:20:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 08:20:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:20:54,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:54,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:20:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:20:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:20:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 08:20:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 08:20:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:54,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:20:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 08:20:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:20:54,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-14 08:20:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:20:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:54,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 08:20:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:20:54,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:20:54,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:20:54,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 08:20:54,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:20:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:20:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 08:20:54,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 08:20:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:20:54,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 08:20:54,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 08:20:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:20:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:20:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:54,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:20:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:20:54,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:20:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 08:20:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:20:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:20:54,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:20:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:20:54,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:20:54,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:20:54,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:20:54,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:20:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:20:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:20:54,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:20:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 08:20:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:20:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:20:54,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:20:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2020-10-14 08:20:54,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309724341] [2020-10-14 08:20:54,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:20:54,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 08:20:54,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553343253] [2020-10-14 08:20:54,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 08:20:54,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:20:54,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 08:20:54,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-14 08:20:54,971 INFO L87 Difference]: Start difference. First operand 9698 states and 12047 transitions. Second operand 17 states. [2020-10-14 08:21:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:21:01,685 INFO L93 Difference]: Finished difference Result 24147 states and 30008 transitions. [2020-10-14 08:21:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-14 08:21:01,685 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 331 [2020-10-14 08:21:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:21:01,723 INFO L225 Difference]: With dead ends: 24147 [2020-10-14 08:21:01,724 INFO L226 Difference]: Without dead ends: 17558 [2020-10-14 08:21:01,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=365, Invalid=1441, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 08:21:01,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17558 states. [2020-10-14 08:21:02,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17558 to 13463. [2020-10-14 08:21:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13463 states. [2020-10-14 08:21:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13463 states to 13463 states and 16760 transitions. [2020-10-14 08:21:02,545 INFO L78 Accepts]: Start accepts. Automaton has 13463 states and 16760 transitions. Word has length 331 [2020-10-14 08:21:02,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:21:02,546 INFO L479 AbstractCegarLoop]: Abstraction has 13463 states and 16760 transitions. [2020-10-14 08:21:02,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 08:21:02,546 INFO L276 IsEmpty]: Start isEmpty. Operand 13463 states and 16760 transitions. [2020-10-14 08:21:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-14 08:21:02,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:21:02,556 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 8, 8, 8, 7, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:21:02,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-14 08:21:02,556 INFO L427 AbstractCegarLoop]: === Iteration 41 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:21:02,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:21:02,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1186152647, now seen corresponding path program 1 times [2020-10-14 08:21:02,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:21:02,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442905308] [2020-10-14 08:21:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:21:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:02,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:02,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:02,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:02,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 409 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 08:21:07,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 08:21:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:21:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 08:21:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 08:21:07,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:21:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:21:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 08:21:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:07,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:21:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 08:21:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 08:21:07,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 08:21:07,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 08:21:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 08:21:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:21:07,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:07,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 08:21:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:21:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:07,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 08:21:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 08:21:07,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:21:07,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 08:21:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:21:07,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:21:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 08:21:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 08:21:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-14 08:21:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 08:21:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 08:21:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 08:21:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-14 08:21:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:21:07,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 08:21:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 08:21:07,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 08:21:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:21:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:21:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:21:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 08:21:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:21:07,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 08:21:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:21:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 08:21:07,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:07,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:21:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:07,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:07,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:07,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:07,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:07,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:07,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-14 08:21:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:21:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:21:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 08:21:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:21:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:08,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-14 08:21:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 08:21:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 08:21:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:21:08,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 08:21:08,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 08:21:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 08:21:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 08:21:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-14 08:21:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 08:21:08,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 08:21:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 08:21:08,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:08,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 08:21:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:21:08,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:08,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 08:21:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 08:21:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:08,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 08:21:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 08:21:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 08:21:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:08,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 08:21:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 08:21:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 08:21:08,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 08:21:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2020-10-14 08:21:08,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442905308] [2020-10-14 08:21:08,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 08:21:08,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 08:21:08,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801766068] [2020-10-14 08:21:08,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 08:21:08,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 08:21:08,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 08:21:08,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-14 08:21:08,391 INFO L87 Difference]: Start difference. First operand 13463 states and 16760 transitions. Second operand 12 states. [2020-10-14 08:21:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 08:21:11,518 INFO L93 Difference]: Finished difference Result 22096 states and 27476 transitions. [2020-10-14 08:21:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 08:21:11,518 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 331 [2020-10-14 08:21:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 08:21:11,545 INFO L225 Difference]: With dead ends: 22096 [2020-10-14 08:21:11,545 INFO L226 Difference]: Without dead ends: 11196 [2020-10-14 08:21:11,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2020-10-14 08:21:11,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11196 states. [2020-10-14 08:21:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11196 to 11154. [2020-10-14 08:21:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11154 states. [2020-10-14 08:21:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11154 states to 11154 states and 13846 transitions. [2020-10-14 08:21:12,162 INFO L78 Accepts]: Start accepts. Automaton has 11154 states and 13846 transitions. Word has length 331 [2020-10-14 08:21:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 08:21:12,162 INFO L479 AbstractCegarLoop]: Abstraction has 11154 states and 13846 transitions. [2020-10-14 08:21:12,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 08:21:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11154 states and 13846 transitions. [2020-10-14 08:21:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-14 08:21:12,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 08:21:12,167 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 8, 8, 8, 7, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 08:21:12,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-14 08:21:12,167 INFO L427 AbstractCegarLoop]: === Iteration 42 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 08:21:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 08:21:12,168 INFO L82 PathProgramCache]: Analyzing trace with hash -355236961, now seen corresponding path program 1 times [2020-10-14 08:21:12,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 08:21:12,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874663639] [2020-10-14 08:21:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 08:21:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 08:21:12,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:12,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:12,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:12,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:12,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 08:21:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 08:21:17,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 410 [2020-10-14 08:21:17,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 08:21:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0