/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/systemc/token_ring.03.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:48:54,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:48:54,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:48:54,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:48:54,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:48:54,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:48:54,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:48:54,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:48:54,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:48:54,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:48:54,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:48:54,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:48:54,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:48:54,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:48:54,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:48:54,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:48:54,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:48:54,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:48:54,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:48:54,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:48:54,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:48:54,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:48:54,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:48:54,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:48:54,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:48:54,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:48:54,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:48:54,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:48:54,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:48:54,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:48:54,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:48:54,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:48:54,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:48:54,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:48:54,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:48:54,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:48:54,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:48:54,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:48:54,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:48:54,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:48:54,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:48:54,180 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 [2020-10-15 04:48:54,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:48:54,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:48:54,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:48:54,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:48:54,224 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:48:54,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:48:54,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:48:54,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:48:54,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:48:54,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:48:54,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:48:54,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:48:54,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:48:54,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:48:54,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:48:54,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:48:54,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:48:54,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:48:54,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:48:54,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:48:54,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:48:54,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:48:54,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:48:54,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:48:54,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:48:54,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:48:54,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:48:54,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:48:54,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:48:54,230 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:48:54,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:48:54,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:48:54,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:48:54,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:48:54,534 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:48:54,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2020-10-15 04:48:54,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2248ce9ac/39bc439fae3f483a9c90aa09d7c7a94b/FLAG85323b855 [2020-10-15 04:48:55,099 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:48:55,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.03.cil-1.c [2020-10-15 04:48:55,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2248ce9ac/39bc439fae3f483a9c90aa09d7c7a94b/FLAG85323b855 [2020-10-15 04:48:55,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2248ce9ac/39bc439fae3f483a9c90aa09d7c7a94b [2020-10-15 04:48:55,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:48:55,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:48:55,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:48:55,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:48:55,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:48:55,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31051650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55, skipping insertion in model container [2020-10-15 04:48:55,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:48:55,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:48:55,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:48:55,738 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:48:55,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:48:55,922 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:48:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55 WrapperNode [2020-10-15 04:48:55,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:48:55,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:48:55,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:48:55,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:48:55,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (1/1) ... [2020-10-15 04:48:55,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:48:55,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:48:55,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:48:55,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:48:55,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (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 [2020-10-15 04:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:48:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-15 04:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-15 04:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-15 04:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-15 04:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-15 04:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-15 04:48:56,053 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:48:56,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:48:56,055 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:48:56,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:48:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:48:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:48:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-15 04:48:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-15 04:48:56,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:48:56,057 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:48:56,058 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:48:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:48:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:48:56,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:48:56,703 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:48:56,704 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-15 04:48:56,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:48:56 BoogieIcfgContainer [2020-10-15 04:48:56,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:48:56,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:48:56,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:48:56,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:48:56,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:48:55" (1/3) ... [2020-10-15 04:48:56,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72302995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:48:56, skipping insertion in model container [2020-10-15 04:48:56,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:55" (2/3) ... [2020-10-15 04:48:56,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72302995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:48:56, skipping insertion in model container [2020-10-15 04:48:56,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:48:56" (3/3) ... [2020-10-15 04:48:56,720 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.03.cil-1.c [2020-10-15 04:48:56,731 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:48:56,740 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:48:56,754 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:48:56,777 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:48:56,778 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:48:56,778 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:48:56,778 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:48:56,778 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:48:56,779 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:48:56,779 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:48:56,779 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:48:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-15 04:48:56,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 04:48:56,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:48:56,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:48:56,818 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:48:56,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:48:56,824 INFO L82 PathProgramCache]: Analyzing trace with hash -604727244, now seen corresponding path program 1 times [2020-10-15 04:48:56,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:48:56,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001605513] [2020-10-15 04:48:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:48:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:48:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:57,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:48:57,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:02,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 04:49:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:49:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 04:49:02,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:02,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-15 04:49:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-15 04:49:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 04:49:02,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:02,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:02,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:02,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:49:02,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:02,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:02,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:02,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:02,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:02,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:02,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:49:02,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:02,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:02,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:49:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:02,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:02,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:02,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:02,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:02,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:02,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:02,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:02,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:02,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:02,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:02,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:02,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:02,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:02,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:02,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:49:02,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:02,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:49:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:02,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:04,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:49:07,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:49:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:49:07,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:49:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:07,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:07,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:07,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:49:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:07,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:07,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:07,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:07,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:07,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:07,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:07,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:49:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:07,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:07,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:07,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:07,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:49:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:07,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:07,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:49:07,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:49:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:07,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:07,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:07,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:07,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:07,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:07,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:07,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:49:07,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:07,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:49:07,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001605513] [2020-10-15 04:49:07,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:49:07,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:49:07,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456859243] [2020-10-15 04:49:07,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:49:07,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:07,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:49:07,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:49:07,598 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 9 states. [2020-10-15 04:49:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:14,443 INFO L93 Difference]: Finished difference Result 1071 states and 1887 transitions. [2020-10-15 04:49:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 04:49:14,445 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2020-10-15 04:49:14,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:14,476 INFO L225 Difference]: With dead ends: 1071 [2020-10-15 04:49:14,476 INFO L226 Difference]: Without dead ends: 860 [2020-10-15 04:49:14,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2020-10-15 04:49:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-10-15 04:49:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 628. [2020-10-15 04:49:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-15 04:49:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 962 transitions. [2020-10-15 04:49:14,673 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 962 transitions. Word has length 106 [2020-10-15 04:49:14,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:14,674 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 962 transitions. [2020-10-15 04:49:14,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:49:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 962 transitions. [2020-10-15 04:49:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 04:49:14,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:14,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:49:14,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:49:14,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:14,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:14,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1461139959, now seen corresponding path program 1 times [2020-10-15 04:49:14,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:14,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242235347] [2020-10-15 04:49:14,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:14,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:14,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:16,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:17,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:17,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:19,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 04:49:19,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-15 04:49:19,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:49:19,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:19,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:19,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:49:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:49:19,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-15 04:49:19,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:19,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:19,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:19,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:19,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:49:19,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:19,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:19,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:49:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:19,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:19,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:19,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:19,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:19,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:49:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:19,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:19,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:49:19,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:19,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:19,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:49:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:49:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:19,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:19,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:19,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:19,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:19,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:19,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:19,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:19,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:19,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:19,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:19,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 04:49:19,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:19,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:19,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:49:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:19,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:19,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:49:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:49:20,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-15 04:49:20,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:20,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:49:20,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:20,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:20,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:20,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:20,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:20,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:20,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:49:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:20,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:20,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:20,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:20,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:20,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:49:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:20,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:20,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:20,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:20,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:20,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:49:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:20,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:49:20,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:20,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:49:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:20,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:20,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:20,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:20,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:20,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:20,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:20,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:20,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:49:20,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:49:20,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242235347] [2020-10-15 04:49:20,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:49:20,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:49:20,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820244981] [2020-10-15 04:49:20,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:49:20,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:20,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:49:20,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:49:20,735 INFO L87 Difference]: Start difference. First operand 628 states and 962 transitions. Second operand 9 states. [2020-10-15 04:49:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:22,566 INFO L93 Difference]: Finished difference Result 1243 states and 1965 transitions. [2020-10-15 04:49:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 04:49:22,570 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2020-10-15 04:49:22,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:22,579 INFO L225 Difference]: With dead ends: 1243 [2020-10-15 04:49:22,579 INFO L226 Difference]: Without dead ends: 780 [2020-10-15 04:49:22,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:49:22,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-10-15 04:49:22,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 628. [2020-10-15 04:49:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-15 04:49:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 950 transitions. [2020-10-15 04:49:22,641 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 950 transitions. Word has length 106 [2020-10-15 04:49:22,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:22,641 INFO L479 AbstractCegarLoop]: Abstraction has 628 states and 950 transitions. [2020-10-15 04:49:22,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:49:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 950 transitions. [2020-10-15 04:49:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 04:49:22,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:22,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:49:22,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:49:22,645 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:22,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:22,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1447623943, now seen corresponding path program 1 times [2020-10-15 04:49:22,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:22,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184979823] [2020-10-15 04:49:22,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:22,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:22,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:22,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:22,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:27,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 04:49:27,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 04:49:27,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:49:27,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:27,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:49:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:49:27,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:49:27,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:27,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:27,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:27,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:27,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:49:27,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:27,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:49:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:27,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:27,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:27,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:27,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:27,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:27,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:49:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:27,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:27,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:27,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:49:27,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:27,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:27,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:49:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:27,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:49:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:27,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:27,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:27,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:27,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:27,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:27,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:27,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:49:27,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:27,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:27,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:27,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:49:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:27,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:49:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:49:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 732 [2020-10-15 04:49:28,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:49:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:28,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:28,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:28,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:28,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:28,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:28,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:28,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:28,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:49:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:28,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:28,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:28,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:28,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:28,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:28,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:49:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:28,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:28,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:28,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:28,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:28,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:28,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:49:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:28,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:28,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:28,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:49:28,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:28,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:28,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:49:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:28,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:28,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:28,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:28,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:28,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:28,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:49:28,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:28,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:49:28,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184979823] [2020-10-15 04:49:28,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:49:28,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:49:28,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969442210] [2020-10-15 04:49:28,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:49:28,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:28,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:49:28,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:49:28,729 INFO L87 Difference]: Start difference. First operand 628 states and 950 transitions. Second operand 10 states. [2020-10-15 04:49:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:31,101 INFO L93 Difference]: Finished difference Result 1142 states and 1793 transitions. [2020-10-15 04:49:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 04:49:31,102 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2020-10-15 04:49:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:31,107 INFO L225 Difference]: With dead ends: 1142 [2020-10-15 04:49:31,107 INFO L226 Difference]: Without dead ends: 690 [2020-10-15 04:49:31,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-15 04:49:31,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2020-10-15 04:49:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 500. [2020-10-15 04:49:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-15 04:49:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 727 transitions. [2020-10-15 04:49:31,158 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 727 transitions. Word has length 106 [2020-10-15 04:49:31,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:31,161 INFO L479 AbstractCegarLoop]: Abstraction has 500 states and 727 transitions. [2020-10-15 04:49:31,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:49:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 727 transitions. [2020-10-15 04:49:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 04:49:31,163 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:31,164 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:49:31,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:49:31,164 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:31,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:31,165 INFO L82 PathProgramCache]: Analyzing trace with hash 808541752, now seen corresponding path program 1 times [2020-10-15 04:49:31,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:31,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379290423] [2020-10-15 04:49:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:31,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:31,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:31,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:31,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:31,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:36,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:49:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:49:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 04:49:36,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:36,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:36,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:49:36,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:36,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:36,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:36,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:36,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:36,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:49:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:36,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:36,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:49:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:36,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:49:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:36,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:36,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:36,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:36,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:36,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:49:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:36,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:36,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:49:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:49:38,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1695 [2020-10-15 04:49:38,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:49:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 04:49:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:38,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:38,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:38,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:38,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:38,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:38,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:38,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:49:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:38,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:38,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:49:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:38,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:38,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:38,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:49:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:49:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:38,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:38,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:38,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:38,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:38,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 04:49:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:38,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:49:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:38,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:38,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:38,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:38,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:38,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:38,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:49:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:49:38,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379290423] [2020-10-15 04:49:38,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:49:38,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:49:38,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124714488] [2020-10-15 04:49:38,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:49:38,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:38,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:49:38,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:49:38,146 INFO L87 Difference]: Start difference. First operand 500 states and 727 transitions. Second operand 12 states. [2020-10-15 04:49:42,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:42,412 INFO L93 Difference]: Finished difference Result 1552 states and 2407 transitions. [2020-10-15 04:49:42,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 04:49:42,412 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-15 04:49:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:42,426 INFO L225 Difference]: With dead ends: 1552 [2020-10-15 04:49:42,426 INFO L226 Difference]: Without dead ends: 1074 [2020-10-15 04:49:42,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-15 04:49:42,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2020-10-15 04:49:42,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 737. [2020-10-15 04:49:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-10-15 04:49:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1032 transitions. [2020-10-15 04:49:42,526 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1032 transitions. Word has length 106 [2020-10-15 04:49:42,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:42,526 INFO L479 AbstractCegarLoop]: Abstraction has 737 states and 1032 transitions. [2020-10-15 04:49:42,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:49:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1032 transitions. [2020-10-15 04:49:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 04:49:42,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:42,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:49:42,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:49:42,529 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:42,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:42,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2013790774, now seen corresponding path program 1 times [2020-10-15 04:49:42,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:42,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804994373] [2020-10-15 04:49:42,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:42,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:42,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:42,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:44,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:47,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 04:49:47,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:49:47,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:49:47,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:47,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:49:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:49:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 04:49:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:47,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:47,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:47,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:47,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:49:47,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:47,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:49:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:47,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:47,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:47,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:47,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:47,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:49:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:47,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:49:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:47,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:47,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:49:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:49:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:47,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:47,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:47,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:47,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:47,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:47,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:47,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:47,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:49:47,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:47,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:49:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:49:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:47,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:49:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:47,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:49:48,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:48,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:48,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:48,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:48,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:48,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:48,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:48,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:49:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:48,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:49:48,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:48,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:49:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:48,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:48,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:49:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:48,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:49:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:48,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:48,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:48,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:49:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:49:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:48,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:48,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:49:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 04:49:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:49:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:48,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:48,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:48,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:48,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:48,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:48,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:49:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:49:48,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804994373] [2020-10-15 04:49:48,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:49:48,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 04:49:48,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145370307] [2020-10-15 04:49:48,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:49:48,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:48,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:49:48,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:49:48,220 INFO L87 Difference]: Start difference. First operand 737 states and 1032 transitions. Second operand 14 states. [2020-10-15 04:49:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:49:52,651 INFO L93 Difference]: Finished difference Result 2109 states and 3217 transitions. [2020-10-15 04:49:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 04:49:52,652 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 106 [2020-10-15 04:49:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:49:52,667 INFO L225 Difference]: With dead ends: 2109 [2020-10-15 04:49:52,667 INFO L226 Difference]: Without dead ends: 1394 [2020-10-15 04:49:52,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 04:49:52,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-10-15 04:49:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 929. [2020-10-15 04:49:52,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2020-10-15 04:49:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1241 transitions. [2020-10-15 04:49:52,781 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1241 transitions. Word has length 106 [2020-10-15 04:49:52,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:49:52,781 INFO L479 AbstractCegarLoop]: Abstraction has 929 states and 1241 transitions. [2020-10-15 04:49:52,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:49:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1241 transitions. [2020-10-15 04:49:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 04:49:52,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:49:52,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:49:52,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:49:52,784 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:49:52,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:49:52,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1891193072, now seen corresponding path program 1 times [2020-10-15 04:49:52,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:49:52,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962630940] [2020-10-15 04:49:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:49:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:52,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:52,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:52,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:52,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:53,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:53,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:56,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:57,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:57,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 04:49:57,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:49:57,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 04:49:57,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:57,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:49:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:49:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-15 04:49:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:49:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:49:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:57,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:57,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:57,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:49:57,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:57,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:57,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:57,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:57,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:49:57,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:49:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:57,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:57,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:57,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:49:57,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:57,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:49:57,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:57,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:57,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:57,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:57,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:49:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:49:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:57,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:49:57,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:57,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:57,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:49:57,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:57,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:49:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:57,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:57,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:57,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:57,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:57,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:57,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:57,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:49:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:49:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:58,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:49:58,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:49:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:49:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:49:58,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:49:58,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-15 04:49:58,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:49:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:49:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:58,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:58,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:58,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:49:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:58,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:58,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:49:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:58,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:58,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:58,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:49:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:49:58,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:49:58,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:49:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:49:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:49:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:49:58,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:49:58,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:49:58,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:49:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:49:58,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:49:58,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:49:58,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:49:58,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:49:58,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:49:58,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:49:58,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:49:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:49:58,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:49:58,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:49:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:49:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:49:58,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962630940] [2020-10-15 04:49:58,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:49:58,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 04:49:58,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430317166] [2020-10-15 04:49:58,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 04:49:58,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:49:58,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 04:49:58,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 04:49:58,412 INFO L87 Difference]: Start difference. First operand 929 states and 1241 transitions. Second operand 7 states. [2020-10-15 04:50:00,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:50:00,709 INFO L93 Difference]: Finished difference Result 3047 states and 4256 transitions. [2020-10-15 04:50:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 04:50:00,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-10-15 04:50:00,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:50:00,724 INFO L225 Difference]: With dead ends: 3047 [2020-10-15 04:50:00,724 INFO L226 Difference]: Without dead ends: 2141 [2020-10-15 04:50:00,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:50:00,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2020-10-15 04:50:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1642. [2020-10-15 04:50:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2020-10-15 04:50:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2171 transitions. [2020-10-15 04:50:00,884 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2171 transitions. Word has length 106 [2020-10-15 04:50:00,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:50:00,885 INFO L479 AbstractCegarLoop]: Abstraction has 1642 states and 2171 transitions. [2020-10-15 04:50:00,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 04:50:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2171 transitions. [2020-10-15 04:50:00,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:50:00,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:50:00,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:50:00,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:50:00,890 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:50:00,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:50:00,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2122019453, now seen corresponding path program 1 times [2020-10-15 04:50:00,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:50:00,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101791489] [2020-10-15 04:50:00,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:50:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:00,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:00,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:01,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:01,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:05,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:50:05,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:50:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:50:05,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:05,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:50:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:50:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-15 04:50:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:06,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:50:06,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:50:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:50:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:06,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:50:06,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:50:06,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:50:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:50:06,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:06,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:50:06,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:50:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:06,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:50:06,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:06,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:50:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:06,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:50:06,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:06,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:50:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:06,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:50:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-15 04:50:06,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:50:06,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:06,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:06,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:06,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:06,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:06,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:06,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:50:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:50:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:50:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:06,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:06,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:06,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:06,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:50:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:06,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:50:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:06,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:50:06,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:06,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-15 04:50:06,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:06,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-15 04:50:06,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 04:50:06,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:06,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:50:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:06,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:50:07,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-15 04:50:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:50:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-15 04:50:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:50:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:07,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:07,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:50:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:07,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:07,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:07,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:07,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:07,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:50:07,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:50:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:07,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:07,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:07,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:07,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:07,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:07,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:07,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:50:07,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-15 04:50:07,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101791489] [2020-10-15 04:50:07,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:50:07,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:50:07,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977991562] [2020-10-15 04:50:07,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:50:07,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:50:07,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:50:07,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:50:07,471 INFO L87 Difference]: Start difference. First operand 1642 states and 2171 transitions. Second operand 10 states. [2020-10-15 04:50:11,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:50:11,307 INFO L93 Difference]: Finished difference Result 5479 states and 7783 transitions. [2020-10-15 04:50:11,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:50:11,307 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-15 04:50:11,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:50:11,331 INFO L225 Difference]: With dead ends: 5479 [2020-10-15 04:50:11,331 INFO L226 Difference]: Without dead ends: 3860 [2020-10-15 04:50:11,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2020-10-15 04:50:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2020-10-15 04:50:11,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 2927. [2020-10-15 04:50:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2927 states. [2020-10-15 04:50:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 3860 transitions. [2020-10-15 04:50:11,634 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 3860 transitions. Word has length 171 [2020-10-15 04:50:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:50:11,635 INFO L479 AbstractCegarLoop]: Abstraction has 2927 states and 3860 transitions. [2020-10-15 04:50:11,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:50:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3860 transitions. [2020-10-15 04:50:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-15 04:50:11,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:50:11,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:50:11,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:50:11,644 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:50:11,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:50:11,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1016380847, now seen corresponding path program 1 times [2020-10-15 04:50:11,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:50:11,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925659880] [2020-10-15 04:50:11,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:50:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:11,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:11,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:11,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:11,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:11,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:12,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:16,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-15 04:50:16,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 04:50:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-15 04:50:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:16,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:50:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:50:16,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-15 04:50:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:16,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:16,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:16,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:50:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:16,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:50:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:16,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:50:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:16,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:16,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:16,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:16,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:16,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:50:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:16,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:50:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:16,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:16,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:50:16,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:16,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:16,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:16,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:16,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:50:16,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:16,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:50:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:16,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:16,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:16,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:50:16,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:16,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:16,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:16,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:50:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:16,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:16,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:50:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:16,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:16,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:50:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:16,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:16,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:17,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:17,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-15 04:50:17,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:50:17,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:17,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:17,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:50:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:17,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:50:17,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:50:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:17,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:17,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:50:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:50:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-15 04:50:17,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-15 04:50:17,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-15 04:50:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 04:50:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:50:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 04:50:17,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-15 04:50:17,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:50:17,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 04:50:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-15 04:50:17,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 04:50:17,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:17,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:17,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:50:17,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:17,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:50:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:50:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:17,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:17,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-15 04:50:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:17,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:17,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:17,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:17,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:17,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:17,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:17,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:17,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:17,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:50:17,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:17,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-15 04:50:17,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925659880] [2020-10-15 04:50:17,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:50:17,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:50:17,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816455959] [2020-10-15 04:50:17,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:50:17,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:50:17,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:50:17,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:50:17,936 INFO L87 Difference]: Start difference. First operand 2927 states and 3860 transitions. Second operand 9 states. [2020-10-15 04:50:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:50:21,871 INFO L93 Difference]: Finished difference Result 10271 states and 14178 transitions. [2020-10-15 04:50:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:50:21,871 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-10-15 04:50:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:50:21,912 INFO L225 Difference]: With dead ends: 10271 [2020-10-15 04:50:21,912 INFO L226 Difference]: Without dead ends: 7367 [2020-10-15 04:50:21,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-10-15 04:50:21,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7367 states. [2020-10-15 04:50:22,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7367 to 5659. [2020-10-15 04:50:22,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5659 states. [2020-10-15 04:50:22,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5659 states to 5659 states and 7469 transitions. [2020-10-15 04:50:22,556 INFO L78 Accepts]: Start accepts. Automaton has 5659 states and 7469 transitions. Word has length 172 [2020-10-15 04:50:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:50:22,558 INFO L479 AbstractCegarLoop]: Abstraction has 5659 states and 7469 transitions. [2020-10-15 04:50:22,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:50:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 5659 states and 7469 transitions. [2020-10-15 04:50:22,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:50:22,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:50:22,565 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:50:22,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:50:22,566 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:50:22,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:50:22,566 INFO L82 PathProgramCache]: Analyzing trace with hash 667560322, now seen corresponding path program 1 times [2020-10-15 04:50:22,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:50:22,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238673241] [2020-10-15 04:50:22,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:50:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:22,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:22,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:22,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:50:27,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:50:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 04:50:27,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:50:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:50:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 04:50:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:27,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:50:27,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:50:27,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:50:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:27,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:27,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:50:27,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:50:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:50:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:50:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:50:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:27,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:50:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:27,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:50:27,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:50:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:50:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:50:27,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:50:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:50:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:27,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:27,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:27,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:27,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:27,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:27,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:50:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:50:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:50:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:50:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 04:50:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:50:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:27,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:27,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:50:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:27,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:27,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:50:28,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:50:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:50:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:50:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:50:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:50:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:50:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-15 04:50:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:50:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:50:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:28,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:28,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:28,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:50:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:28,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:28,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:50:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:28,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:28,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:28,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:28,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:50:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:28,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:28,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:28,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:28,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:28,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:28,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:50:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-15 04:50:28,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238673241] [2020-10-15 04:50:28,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:50:28,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 04:50:28,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867251805] [2020-10-15 04:50:28,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 04:50:28,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:50:28,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 04:50:28,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-15 04:50:28,360 INFO L87 Difference]: Start difference. First operand 5659 states and 7469 transitions. Second operand 18 states. [2020-10-15 04:50:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:50:32,951 INFO L93 Difference]: Finished difference Result 12802 states and 17586 transitions. [2020-10-15 04:50:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 04:50:32,952 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 171 [2020-10-15 04:50:32,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:50:32,996 INFO L225 Difference]: With dead ends: 12802 [2020-10-15 04:50:32,996 INFO L226 Difference]: Without dead ends: 7165 [2020-10-15 04:50:33,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2020-10-15 04:50:33,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2020-10-15 04:50:33,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 5714. [2020-10-15 04:50:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5714 states. [2020-10-15 04:50:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 7371 transitions. [2020-10-15 04:50:33,583 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 7371 transitions. Word has length 171 [2020-10-15 04:50:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:50:33,583 INFO L479 AbstractCegarLoop]: Abstraction has 5714 states and 7371 transitions. [2020-10-15 04:50:33,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 04:50:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 7371 transitions. [2020-10-15 04:50:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:50:33,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:50:33,589 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:50:33,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:50:33,590 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:50:33,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:50:33,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1079510140, now seen corresponding path program 1 times [2020-10-15 04:50:33,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:50:33,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069264956] [2020-10-15 04:50:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:50:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:33,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:33,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:34,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:50:38,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:50:38,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:50:38,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:50:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:50:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-15 04:50:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:38,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:50:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:50:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:38,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:38,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:50:38,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:50:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:50:38,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:50:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:50:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:38,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:50:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:38,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:50:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-15 04:50:38,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:50:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:50:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:38,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:50:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:50:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-15 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:50:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:50:38,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:50:38,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 04:50:38,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:38,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:50:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 04:50:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:38,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:38,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:38,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:38,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:50:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:50:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:38,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:38,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:38,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:38,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:38,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:38,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:50:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:38,899 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-15 04:50:38,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069264956] [2020-10-15 04:50:38,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:50:38,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:50:38,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081305538] [2020-10-15 04:50:38,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:50:38,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:50:38,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:50:38,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:50:38,901 INFO L87 Difference]: Start difference. First operand 5714 states and 7371 transitions. Second operand 9 states. [2020-10-15 04:50:42,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:50:42,827 INFO L93 Difference]: Finished difference Result 17734 states and 24176 transitions. [2020-10-15 04:50:42,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:50:42,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-10-15 04:50:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:50:42,876 INFO L225 Difference]: With dead ends: 17734 [2020-10-15 04:50:42,876 INFO L226 Difference]: Without dead ends: 12043 [2020-10-15 04:50:42,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-10-15 04:50:42,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12043 states. [2020-10-15 04:50:43,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12043 to 9937. [2020-10-15 04:50:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9937 states. [2020-10-15 04:50:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 13103 transitions. [2020-10-15 04:50:43,621 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 13103 transitions. Word has length 171 [2020-10-15 04:50:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:50:43,622 INFO L479 AbstractCegarLoop]: Abstraction has 9937 states and 13103 transitions. [2020-10-15 04:50:43,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:50:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 13103 transitions. [2020-10-15 04:50:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:50:43,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:50:43,629 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:50:43,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:50:43,630 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:50:43,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:50:43,630 INFO L82 PathProgramCache]: Analyzing trace with hash 274800317, now seen corresponding path program 1 times [2020-10-15 04:50:43,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:50:43,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350398194] [2020-10-15 04:50:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:50:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:43,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:43,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:44,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:44,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:44,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:44,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:47,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-15 04:50:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-15 04:50:48,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:48,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:50:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:50:48,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:50:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:50:48,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:50:48,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:48,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:48,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:50:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:48,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:50:48,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:50:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:50:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:48,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:50:48,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:50:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:50:48,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:50:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:48,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:50:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:50:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:50:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:50:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 04:50:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:50:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:50:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:50:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 04:50:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:50:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:50:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:50:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:50:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:50:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:48,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:50:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:50:48,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:50:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:50:48,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:50:48,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:50:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:50:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:48,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:48,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:50:48,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:50:48,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:50:48,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:50:48,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:50:48,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:50:48,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:50:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:50:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:50:48,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:50:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-15 04:50:49,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350398194] [2020-10-15 04:50:49,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:50:49,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:50:49,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924886935] [2020-10-15 04:50:49,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:50:49,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:50:49,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:50:49,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:50:49,031 INFO L87 Difference]: Start difference. First operand 9937 states and 13103 transitions. Second operand 10 states. [2020-10-15 04:50:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:50:54,059 INFO L93 Difference]: Finished difference Result 35354 states and 51770 transitions. [2020-10-15 04:50:54,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 04:50:54,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2020-10-15 04:50:54,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:50:54,183 INFO L225 Difference]: With dead ends: 35354 [2020-10-15 04:50:54,183 INFO L226 Difference]: Without dead ends: 25442 [2020-10-15 04:50:54,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-15 04:50:54,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25442 states. [2020-10-15 04:50:55,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25442 to 20573. [2020-10-15 04:50:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20573 states. [2020-10-15 04:50:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20573 states to 20573 states and 28639 transitions. [2020-10-15 04:50:56,005 INFO L78 Accepts]: Start accepts. Automaton has 20573 states and 28639 transitions. Word has length 171 [2020-10-15 04:50:56,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:50:56,006 INFO L479 AbstractCegarLoop]: Abstraction has 20573 states and 28639 transitions. [2020-10-15 04:50:56,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:50:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 20573 states and 28639 transitions. [2020-10-15 04:50:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:50:56,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:50:56,018 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:50:56,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 04:50:56,018 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:50:56,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:50:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1130391361, now seen corresponding path program 1 times [2020-10-15 04:50:56,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:50:56,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574408577] [2020-10-15 04:50:56,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:50:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:50:56,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:56,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:56,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:56,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:50:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:51:01,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:51:01,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 04:51:01,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 04:51:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-15 04:51:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-15 04:51:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:01,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:51:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:01,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:01,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:51:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:51:01,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:01,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:51:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:51:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:51:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:51:01,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:51:01,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:51:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:51:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:51:01,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:51:01,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:51:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:51:01,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:01,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:51:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:51:01,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:51:01,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:51:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:51:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:01,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:51:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:51:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 04:51:01,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:51:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:51:01,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:51:01,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:51:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:01,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 04:51:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:51:01,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:51:01,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:01,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:51:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:01,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:01,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:01,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:01,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:51:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:01,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:01,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:01,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:01,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:01,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:01,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:01,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:51:01,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:01,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-15 04:51:01,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574408577] [2020-10-15 04:51:01,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:51:01,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:51:01,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799021771] [2020-10-15 04:51:01,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:51:01,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:51:01,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:51:01,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:51:01,509 INFO L87 Difference]: Start difference. First operand 20573 states and 28639 transitions. Second operand 12 states. [2020-10-15 04:51:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:51:10,623 INFO L93 Difference]: Finished difference Result 71621 states and 117844 transitions. [2020-10-15 04:51:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 04:51:10,624 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2020-10-15 04:51:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:51:10,857 INFO L225 Difference]: With dead ends: 71621 [2020-10-15 04:51:10,857 INFO L226 Difference]: Without dead ends: 51081 [2020-10-15 04:51:11,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=402, Unknown=0, NotChecked=0, Total=600 [2020-10-15 04:51:11,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51081 states. [2020-10-15 04:51:14,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51081 to 42532. [2020-10-15 04:51:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42532 states. [2020-10-15 04:51:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42532 states to 42532 states and 65727 transitions. [2020-10-15 04:51:15,177 INFO L78 Accepts]: Start accepts. Automaton has 42532 states and 65727 transitions. Word has length 171 [2020-10-15 04:51:15,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:51:15,177 INFO L479 AbstractCegarLoop]: Abstraction has 42532 states and 65727 transitions. [2020-10-15 04:51:15,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:51:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 42532 states and 65727 transitions. [2020-10-15 04:51:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:51:15,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:51:15,198 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:51:15,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 04:51:15,199 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:51:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:51:15,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1741660419, now seen corresponding path program 1 times [2020-10-15 04:51:15,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:51:15,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656080806] [2020-10-15 04:51:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:51:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:15,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:15,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:15,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:15,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:51:20,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:51:20,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 04:51:20,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 04:51:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 04:51:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-15 04:51:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:20,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:20,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:20,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:51:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:20,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:20,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:51:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:20,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:51:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:51:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:51:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:51:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:51:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:51:20,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:51:20,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:51:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:51:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:51:20,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:20,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:51:20,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:51:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:51:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:51:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:51:20,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 04:51:20,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:51:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:20,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 04:51:20,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:51:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:51:20,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:51:20,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:51:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 04:51:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:51:20,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:51:20,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:20,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:51:20,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:51:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:20,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:20,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:20,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:20,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:20,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:20,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:51:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-15 04:51:20,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656080806] [2020-10-15 04:51:20,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:51:20,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:51:20,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149037504] [2020-10-15 04:51:20,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:51:20,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:51:20,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:51:20,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:51:20,552 INFO L87 Difference]: Start difference. First operand 42532 states and 65727 transitions. Second operand 9 states. [2020-10-15 04:51:31,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:51:31,766 INFO L93 Difference]: Finished difference Result 144345 states and 290988 transitions. [2020-10-15 04:51:31,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 04:51:31,766 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2020-10-15 04:51:31,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:51:32,467 INFO L225 Difference]: With dead ends: 144345 [2020-10-15 04:51:32,467 INFO L226 Difference]: Without dead ends: 101863 [2020-10-15 04:51:32,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-15 04:51:36,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101863 states. [2020-10-15 04:51:45,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101863 to 86229. [2020-10-15 04:51:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86229 states. [2020-10-15 04:51:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86229 states to 86229 states and 156807 transitions. [2020-10-15 04:51:45,680 INFO L78 Accepts]: Start accepts. Automaton has 86229 states and 156807 transitions. Word has length 171 [2020-10-15 04:51:45,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:51:45,681 INFO L479 AbstractCegarLoop]: Abstraction has 86229 states and 156807 transitions. [2020-10-15 04:51:45,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:51:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 86229 states and 156807 transitions. [2020-10-15 04:51:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-15 04:51:45,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:51:45,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:51:45,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 04:51:45,736 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:51:45,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:51:45,736 INFO L82 PathProgramCache]: Analyzing trace with hash 152673467, now seen corresponding path program 1 times [2020-10-15 04:51:45,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:51:45,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458656364] [2020-10-15 04:51:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:51:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:45,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:45,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:45,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:45,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:45,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:46,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1825 [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:51:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:51:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 04:51:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:47,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:51:47,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:51:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:51:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:51:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:47,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:51:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:51:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:51:47,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:51:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:51:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:51:47,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:51:47,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:51:47,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 04:51:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:51:47,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:51:47,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:51:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:51:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 04:51:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 04:51:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:51:47,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:51:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-15 04:51:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:47,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:47,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:51:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 04:51:47,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:47,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 04:51:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 04:51:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:47,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:51:47,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:51:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 04:51:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-15 04:51:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 04:51:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:51:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:51:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:51:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:51:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:51:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:51:47,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:51:47,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:51:47,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 04:51:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:51:47,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:51:47,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:51:47,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:51:47,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:51:47,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:51:47,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:51:47,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:51:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:51:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:51:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:51:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:51:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-15 04:51:47,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458656364] [2020-10-15 04:51:47,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:51:47,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 04:51:47,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831536728] [2020-10-15 04:51:47,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 04:51:47,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:51:47,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 04:51:47,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-15 04:51:47,894 INFO L87 Difference]: Start difference. First operand 86229 states and 156807 transitions. Second operand 11 states. [2020-10-15 04:52:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:52:03,283 INFO L93 Difference]: Finished difference Result 189327 states and 416817 transitions. [2020-10-15 04:52:03,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 04:52:03,283 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-10-15 04:52:03,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:52:03,814 INFO L225 Difference]: With dead ends: 189327 [2020-10-15 04:52:03,814 INFO L226 Difference]: Without dead ends: 108042 [2020-10-15 04:52:04,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2020-10-15 04:52:04,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108042 states. [2020-10-15 04:52:12,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108042 to 88444. [2020-10-15 04:52:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88444 states.