/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/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:56:06,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:56:06,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:56:06,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:56:06,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:56:06,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:56:06,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:56:06,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:56:06,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:56:06,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:56:06,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:56:06,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:56:06,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:56:06,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:56:06,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:56:06,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:56:06,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:56:06,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:56:06,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:56:06,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:56:06,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:56:06,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:56:06,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:56:06,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:56:06,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:56:06,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:56:06,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:56:06,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:56:06,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:56:06,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:56:06,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:56:06,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:56:06,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:56:06,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:56:06,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:56:06,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:56:06,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:56:06,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:56:06,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:56:06,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:56:06,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:56:06,501 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 04:56:06,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:56:06,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:56:06,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:56:06,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:56:06,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:56:06,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:56:06,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:56:06,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:56:06,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:56:06,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:56:06,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:56:06,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:56:06,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:56:06,526 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:56:06,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:56:06,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:56:06,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:56:06,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:56:06,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:56:06,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:56:06,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:56:06,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:56:06,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:56:06,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:56:06,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:56:06,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:56:06,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:56:06,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:56:06,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:56:06,530 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 04:56:06,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:56:06,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:56:06,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:56:06,856 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:56:06,856 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:56:06,860 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-15 04:56:06,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d55d08be8/738da35ac16243148a564b337f73db58/FLAGae27c2eeb [2020-10-15 04:56:07,395 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:56:07,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-10-15 04:56:07,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d55d08be8/738da35ac16243148a564b337f73db58/FLAGae27c2eeb [2020-10-15 04:56:07,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d55d08be8/738da35ac16243148a564b337f73db58 [2020-10-15 04:56:07,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:56:07,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:56:07,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:56:07,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:56:07,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:56:07,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:56:07" (1/1) ... [2020-10-15 04:56:07,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adf6174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:07, skipping insertion in model container [2020-10-15 04:56:07,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:56:07" (1/1) ... [2020-10-15 04:56:07,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:56:07,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:56:07,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:56:08,003 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:56:08,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:56:08,167 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:56:08,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08 WrapperNode [2020-10-15 04:56:08,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:56:08,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:56:08,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:56:08,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:56:08,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (1/1) ... [2020-10-15 04:56:08,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:56:08,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:56:08,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:56:08,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:56:08,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (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 04:56:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:56:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:56:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-15 04:56:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:56:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:56:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:56:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:56:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:56:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:56:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:56:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-15 04:56:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:56:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:56:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:56:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:56:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:56:08,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:56:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:56:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:56:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:56:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-15 04:56:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:56:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:56:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:56:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:56:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:56:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:56:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:56:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:56:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:56:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:56:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:56:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:56:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:56:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:56:08,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:56:08,861 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:56:08,862 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-15 04:56:08,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:56:08 BoogieIcfgContainer [2020-10-15 04:56:08,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:56:08,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:56:08,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:56:08,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:56:08,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:56:07" (1/3) ... [2020-10-15 04:56:08,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0e0fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:56:08, skipping insertion in model container [2020-10-15 04:56:08,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:56:08" (2/3) ... [2020-10-15 04:56:08,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0e0fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:56:08, skipping insertion in model container [2020-10-15 04:56:08,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:56:08" (3/3) ... [2020-10-15 04:56:08,877 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-10-15 04:56:08,889 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:56:08,897 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:56:08,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:56:08,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:56:08,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:56:08,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:56:08,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:56:08,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:56:08,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:56:08,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:56:08,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:56:08,967 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-15 04:56:08,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-15 04:56:08,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:08,981 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] [2020-10-15 04:56:08,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:08,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:08,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-10-15 04:56:08,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:08,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1263500694] [2020-10-15 04:56:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:09,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:09,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:09,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:09,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:11,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:11,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:14,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 04:56:14,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-15 04:56:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 04:56:14,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:14,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:56:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:14,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-15 04:56:14,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 04:56:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:14,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:14,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:14,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:56:14,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:14,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:14,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:14,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:14,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:14,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:14,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:14,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:56:14,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:14,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:14,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:14,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:14,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:14,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:14,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:14,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:14,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:14,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:14,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:14,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:14,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:56:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:14,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:14,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:14,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:14,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:14,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 04:56:14,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:14,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:56:14,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:14,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:14,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:16,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:16,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:16,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:56:16,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1547 [2020-10-15 04:56:16,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:16,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 04:56:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:16,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:16,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:16,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:16,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:16,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:16,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:16,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:16,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:16,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:16,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:16,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:16,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:16,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:16,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:16,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:56:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:16,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:16,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:16,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:16,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:16,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:16,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:16,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:16,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:16,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:16,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:56:16,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:16,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:16,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:56:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:16,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:16,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:16,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:16,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:16,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:16,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:16,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:16,226 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 04:56:16,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1263500694] [2020-10-15 04:56:16,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:16,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:56:16,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545558492] [2020-10-15 04:56:16,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:56:16,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:16,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:56:16,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:56:16,261 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 10 states. [2020-10-15 04:56:18,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:18,026 INFO L93 Difference]: Finished difference Result 482 states and 730 transitions. [2020-10-15 04:56:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 04:56:18,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-15 04:56:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:18,046 INFO L225 Difference]: With dead ends: 482 [2020-10-15 04:56:18,046 INFO L226 Difference]: Without dead ends: 321 [2020-10-15 04:56:18,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-15 04:56:18,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-10-15 04:56:18,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 196. [2020-10-15 04:56:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-15 04:56:18,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 253 transitions. [2020-10-15 04:56:18,137 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 253 transitions. Word has length 90 [2020-10-15 04:56:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:18,138 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 253 transitions. [2020-10-15 04:56:18,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:56:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 253 transitions. [2020-10-15 04:56:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-15 04:56:18,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:18,143 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] [2020-10-15 04:56:18,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:56:18,144 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:18,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2058653949, now seen corresponding path program 1 times [2020-10-15 04:56:18,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:18,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795248872] [2020-10-15 04:56:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:18,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:18,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:18,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:18,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:18,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:19,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:19,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:19,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 04:56:23,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:56:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 04:56:23,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:56:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 04:56:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:23,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:23,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:56:23,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:23,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:23,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:23,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:23,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:23,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:23,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:23,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:23,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:23,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:23,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:23,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:23,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:56:23,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:56:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:23,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:23,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:23,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:23,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:56:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-10-15 04:56:23,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:23,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:23,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:56:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 04:56:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:56:23,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:24,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:24,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:24,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:24,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:24,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:24,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:24,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:24,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:24,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:24,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:24,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:24,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:24,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:56:24,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:24,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:24,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:24,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:24,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:24,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:24,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:24,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:24,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:56:24,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:24,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:24,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:24,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:24,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:24,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:56:24,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:24,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:24,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:56:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:24,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:56:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:24,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:24,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:24,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:24,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:24,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:24,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:56:24,128 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 04:56:24,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795248872] [2020-10-15 04:56:24,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:24,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 04:56:24,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527566174] [2020-10-15 04:56:24,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:56:24,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:24,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:56:24,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:56:24,134 INFO L87 Difference]: Start difference. First operand 196 states and 253 transitions. Second operand 13 states. [2020-10-15 04:56:26,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:26,707 INFO L93 Difference]: Finished difference Result 537 states and 753 transitions. [2020-10-15 04:56:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-15 04:56:26,708 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-10-15 04:56:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:26,716 INFO L225 Difference]: With dead ends: 537 [2020-10-15 04:56:26,716 INFO L226 Difference]: Without dead ends: 361 [2020-10-15 04:56:26,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2020-10-15 04:56:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2020-10-15 04:56:26,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 234. [2020-10-15 04:56:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-15 04:56:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 291 transitions. [2020-10-15 04:56:26,812 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 291 transitions. Word has length 90 [2020-10-15 04:56:26,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:26,813 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 291 transitions. [2020-10-15 04:56:26,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:56:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2020-10-15 04:56:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-15 04:56:26,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:26,825 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] [2020-10-15 04:56:26,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:56:26,825 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:26,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:26,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1902011141, now seen corresponding path program 1 times [2020-10-15 04:56:26,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:26,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577887520] [2020-10-15 04:56:26,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:26,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:26,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:26,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:26,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:27,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:27,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:31,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 04:56:31,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:56:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 04:56:31,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:31,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-15 04:56:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 04:56:31,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:31,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:31,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:31,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:31,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:31,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:31,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:31,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:31,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:31,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:31,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:31,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:31,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:31,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:31,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:31,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:31,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:31,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:31,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:31,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:31,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:31,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:31,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:31,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:31,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:31,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:31,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:31,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:31,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:31,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:31,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:31,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:31,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:31,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:31,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:32,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:32,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:56:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 04:56:32,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:32,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:32,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:56:32,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:32,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:32,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:32,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:32,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:32,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:32,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:32,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:32,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:32,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:32,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:32,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:32,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:32,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:32,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:32,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:32,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:32,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:32,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:32,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:56:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:32,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:32,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:56:32,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:32,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:32,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:32,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:32,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:56:32,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:32,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:32,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:32,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:32,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:32,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:56:32,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:56:32,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:32,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:32,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:32,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:32,123 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 04:56:32,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577887520] [2020-10-15 04:56:32,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:32,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 04:56:32,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535608037] [2020-10-15 04:56:32,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 04:56:32,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:32,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 04:56:32,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 04:56:32,126 INFO L87 Difference]: Start difference. First operand 234 states and 291 transitions. Second operand 7 states. [2020-10-15 04:56:34,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:34,099 INFO L93 Difference]: Finished difference Result 817 states and 1112 transitions. [2020-10-15 04:56:34,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 04:56:34,100 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-15 04:56:34,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:34,110 INFO L225 Difference]: With dead ends: 817 [2020-10-15 04:56:34,111 INFO L226 Difference]: Without dead ends: 605 [2020-10-15 04:56:34,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:56:34,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-10-15 04:56:34,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 428. [2020-10-15 04:56:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-15 04:56:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 554 transitions. [2020-10-15 04:56:34,170 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 554 transitions. Word has length 90 [2020-10-15 04:56:34,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:34,170 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 554 transitions. [2020-10-15 04:56:34,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 04:56:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 554 transitions. [2020-10-15 04:56:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-15 04:56:34,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:34,174 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] [2020-10-15 04:56:34,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:56:34,174 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:34,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:34,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1428860619, now seen corresponding path program 1 times [2020-10-15 04:56:34,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:34,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271867009] [2020-10-15 04:56:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:34,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:34,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:34,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-15 04:56:39,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:56:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-15 04:56:39,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:56:39,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:39,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-15 04:56:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:39,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:39,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:39,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:39,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:39,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:39,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:39,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:39,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:39,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:39,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:39,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:39,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:39,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:39,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:39,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:56:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:56:39,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:39,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:39,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:56:39,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-15 04:56:39,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:56:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:56:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:39,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:39,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:39,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:39,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:39,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:39,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:39,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 04:56:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:39,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:39,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:39,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:56:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:39,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:39,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:39,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:39,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:39,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:39,562 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 04:56:39,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271867009] [2020-10-15 04:56:39,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:39,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:56:39,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060998268] [2020-10-15 04:56:39,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:56:39,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:39,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:56:39,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:56:39,565 INFO L87 Difference]: Start difference. First operand 428 states and 554 transitions. Second operand 12 states. [2020-10-15 04:56:42,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:42,350 INFO L93 Difference]: Finished difference Result 1505 states and 2087 transitions. [2020-10-15 04:56:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 04:56:42,354 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-10-15 04:56:42,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:42,361 INFO L225 Difference]: With dead ends: 1505 [2020-10-15 04:56:42,361 INFO L226 Difference]: Without dead ends: 1102 [2020-10-15 04:56:42,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2020-10-15 04:56:42,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2020-10-15 04:56:42,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 839. [2020-10-15 04:56:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2020-10-15 04:56:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1060 transitions. [2020-10-15 04:56:42,448 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1060 transitions. Word has length 91 [2020-10-15 04:56:42,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:42,448 INFO L479 AbstractCegarLoop]: Abstraction has 839 states and 1060 transitions. [2020-10-15 04:56:42,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:56:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1060 transitions. [2020-10-15 04:56:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-15 04:56:42,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:42,450 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] [2020-10-15 04:56:42,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:56:42,451 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:42,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:42,451 INFO L82 PathProgramCache]: Analyzing trace with hash -360514509, now seen corresponding path program 1 times [2020-10-15 04:56:42,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:42,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562534257] [2020-10-15 04:56:42,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:42,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:42,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:43,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:43,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:43,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-15 04:56:47,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 04:56:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-15 04:56:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:56:47,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 04:56:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:47,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:47,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:47,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:47,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:47,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:56:47,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:47,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:56:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 04:56:47,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 04:56:47,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:47,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:47,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:47,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:47,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:47,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:47,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:47,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:47,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:47,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:47,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:47,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:47,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:56:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:47,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:47,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:47,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:47,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:47,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:47,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:47,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:47,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:47,658 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 04:56:47,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562534257] [2020-10-15 04:56:47,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:47,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 04:56:47,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472180551] [2020-10-15 04:56:47,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 04:56:47,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 04:56:47,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 04:56:47,663 INFO L87 Difference]: Start difference. First operand 839 states and 1060 transitions. Second operand 7 states. [2020-10-15 04:56:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:49,456 INFO L93 Difference]: Finished difference Result 2910 states and 3907 transitions. [2020-10-15 04:56:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 04:56:49,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-10-15 04:56:49,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:49,470 INFO L225 Difference]: With dead ends: 2910 [2020-10-15 04:56:49,470 INFO L226 Difference]: Without dead ends: 2098 [2020-10-15 04:56:49,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:56:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-10-15 04:56:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1640. [2020-10-15 04:56:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1640 states. [2020-10-15 04:56:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2075 transitions. [2020-10-15 04:56:49,624 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2075 transitions. Word has length 91 [2020-10-15 04:56:49,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:49,625 INFO L479 AbstractCegarLoop]: Abstraction has 1640 states and 2075 transitions. [2020-10-15 04:56:49,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 04:56:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2075 transitions. [2020-10-15 04:56:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-15 04:56:49,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:49,629 INFO L422 BasicCegarLoop]: trace histogram [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 04:56:49,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:56:49,630 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:49,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:49,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1493887593, now seen corresponding path program 1 times [2020-10-15 04:56:49,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:49,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758611458] [2020-10-15 04:56:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:49,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:49,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:49,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:50,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-15 04:56:51,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:56:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2118 [2020-10-15 04:56:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:56:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 04:56:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:51,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:51,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:51,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:51,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:51,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:51,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:51,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:51,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:51,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:51,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:51,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:56:51,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:56:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:56:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:51,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:51,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:51,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:51,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:51,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:51,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:51,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:51,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:51,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:51,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:51,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:51,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:52,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:52,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:56:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:52,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:52,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:52,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:52,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:52,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:52,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 04:56:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:52,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:52,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:52,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:52,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:56:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:52,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-15 04:56:52,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758611458] [2020-10-15 04:56:52,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:52,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-15 04:56:52,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929008284] [2020-10-15 04:56:52,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 04:56:52,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:52,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 04:56:52,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-15 04:56:52,057 INFO L87 Difference]: Start difference. First operand 1640 states and 2075 transitions. Second operand 14 states. [2020-10-15 04:56:54,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:54,184 INFO L93 Difference]: Finished difference Result 3801 states and 5193 transitions. [2020-10-15 04:56:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 04:56:54,185 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 111 [2020-10-15 04:56:54,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:54,200 INFO L225 Difference]: With dead ends: 3801 [2020-10-15 04:56:54,201 INFO L226 Difference]: Without dead ends: 2186 [2020-10-15 04:56:54,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2020-10-15 04:56:54,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2020-10-15 04:56:54,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 1706. [2020-10-15 04:56:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-15 04:56:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2113 transitions. [2020-10-15 04:56:54,354 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2113 transitions. Word has length 111 [2020-10-15 04:56:54,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:54,354 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 2113 transitions. [2020-10-15 04:56:54,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 04:56:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2113 transitions. [2020-10-15 04:56:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-15 04:56:54,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:54,357 INFO L422 BasicCegarLoop]: trace histogram [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 04:56:54,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:56:54,357 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:54,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:54,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1359694183, now seen corresponding path program 1 times [2020-10-15 04:56:54,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:54,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969880605] [2020-10-15 04:56:54,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:56:54,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 04:56:54,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:54,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:54,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:56:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:54,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:54,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:54,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:56:54,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:54,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:54,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:54,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:56:54,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:54,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:54,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:56:54,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:56:54,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:56:54,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 04:56:54,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:54,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:56:54,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-15 04:56:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:54,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:54,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:54,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:54,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:54,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:54,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:54,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:54,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:54,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 04:56:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:54,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:54,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 04:56:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:54,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:54,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:56:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:54,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:54,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:54,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:54,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:54,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:54,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:54,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:54,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:56:54,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-15 04:56:54,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969880605] [2020-10-15 04:56:54,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:54,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:56:54,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076968353] [2020-10-15 04:56:54,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:56:54,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:54,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:56:54,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:56:54,925 INFO L87 Difference]: Start difference. First operand 1706 states and 2113 transitions. Second operand 10 states. [2020-10-15 04:56:56,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:56,511 INFO L93 Difference]: Finished difference Result 3815 states and 4955 transitions. [2020-10-15 04:56:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 04:56:56,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-15 04:56:56,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:56,525 INFO L225 Difference]: With dead ends: 3815 [2020-10-15 04:56:56,525 INFO L226 Difference]: Without dead ends: 2134 [2020-10-15 04:56:56,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:56:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2020-10-15 04:56:56,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1706. [2020-10-15 04:56:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-15 04:56:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2079 transitions. [2020-10-15 04:56:56,731 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2079 transitions. Word has length 111 [2020-10-15 04:56:56,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:56,731 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 2079 transitions. [2020-10-15 04:56:56,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:56:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2079 transitions. [2020-10-15 04:56:56,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-15 04:56:56,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:56,734 INFO L422 BasicCegarLoop]: trace histogram [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 04:56:56,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:56:56,735 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:56,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:56,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1582387289, now seen corresponding path program 1 times [2020-10-15 04:56:56,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:56,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835616591] [2020-10-15 04:56:56,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-15 04:56:56,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:56:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-15 04:56:56,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-15 04:56:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:56:56,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:56:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:56,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:56,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:56:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:56:56,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:56:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:56:56,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:56:56,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:56:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:56,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:56:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:56,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:56:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:56:56,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:56:56,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:56:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:56,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:56:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:56,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:56:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:56:56,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:56:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:56:56,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:56:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:56:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:56,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:56:56,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:56:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:56:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 04:56:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:56,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:56,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:56,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:56:56,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:56:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:56,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:56:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:56:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:56:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:56:56,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:56:56,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:56:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:56:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:56:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:56:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:56:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 04:56:57,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835616591] [2020-10-15 04:56:57,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:56:57,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:56:57,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224836860] [2020-10-15 04:56:57,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:56:57,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:56:57,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:56:57,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:56:57,002 INFO L87 Difference]: Start difference. First operand 1706 states and 2079 transitions. Second operand 8 states. [2020-10-15 04:56:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:56:59,200 INFO L93 Difference]: Finished difference Result 5725 states and 7401 transitions. [2020-10-15 04:56:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 04:56:59,200 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-10-15 04:56:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:56:59,219 INFO L225 Difference]: With dead ends: 5725 [2020-10-15 04:56:59,219 INFO L226 Difference]: Without dead ends: 3109 [2020-10-15 04:56:59,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-15 04:56:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2020-10-15 04:56:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2745. [2020-10-15 04:56:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2745 states. [2020-10-15 04:56:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 3500 transitions. [2020-10-15 04:56:59,474 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 3500 transitions. Word has length 111 [2020-10-15 04:56:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:56:59,475 INFO L479 AbstractCegarLoop]: Abstraction has 2745 states and 3500 transitions. [2020-10-15 04:56:59,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:56:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 3500 transitions. [2020-10-15 04:56:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-15 04:56:59,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:56:59,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:59,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 04:56:59,482 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:56:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:56:59,483 INFO L82 PathProgramCache]: Analyzing trace with hash -806904669, now seen corresponding path program 1 times [2020-10-15 04:56:59,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:56:59,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376368748] [2020-10-15 04:56:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:56:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:56:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:59,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:59,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:59,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:59,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:59,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:56:59,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:02,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-15 04:57:04,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-15 04:57:04,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 04:57:04,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:57:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-15 04:57:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:04,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:04,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:04,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:04,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:04,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:04,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:04,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:04,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:04,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:57:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:04,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:04,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:57:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:04,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:04,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 04:57:04,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:04,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:04,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:04,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:04,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:57:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:04,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:04,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:04,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:04,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 04:57:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:04,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:04,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:57:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:04,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:04,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 04:57:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:57:04,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:57:04,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 04:57:04,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:04,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:04,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-15 04:57:04,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:04,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 04:57:04,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:57:04,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-15 04:57:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:04,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:04,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:57:04,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:04,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:04,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:04,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:04,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:04,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:04,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:04,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:04,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:04,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:04,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:04,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:04,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:04,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:04,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:04,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:04,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-15 04:57:04,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376368748] [2020-10-15 04:57:04,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:04,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 04:57:04,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856500958] [2020-10-15 04:57:04,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 04:57:04,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 04:57:04,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-15 04:57:04,917 INFO L87 Difference]: Start difference. First operand 2745 states and 3500 transitions. Second operand 11 states. [2020-10-15 04:57:08,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:08,653 INFO L93 Difference]: Finished difference Result 9091 states and 12758 transitions. [2020-10-15 04:57:08,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 04:57:08,657 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2020-10-15 04:57:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:08,699 INFO L225 Difference]: With dead ends: 9091 [2020-10-15 04:57:08,699 INFO L226 Difference]: Without dead ends: 6373 [2020-10-15 04:57:08,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 04:57:08,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6373 states. [2020-10-15 04:57:09,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6373 to 4735. [2020-10-15 04:57:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4735 states. [2020-10-15 04:57:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 6505 transitions. [2020-10-15 04:57:09,329 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 6505 transitions. Word has length 155 [2020-10-15 04:57:09,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:09,329 INFO L479 AbstractCegarLoop]: Abstraction has 4735 states and 6505 transitions. [2020-10-15 04:57:09,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 04:57:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 6505 transitions. [2020-10-15 04:57:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-15 04:57:09,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:09,336 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] [2020-10-15 04:57:09,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 04:57:09,336 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:09,337 INFO L82 PathProgramCache]: Analyzing trace with hash 82212618, now seen corresponding path program 1 times [2020-10-15 04:57:09,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:09,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052892911] [2020-10-15 04:57:09,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:09,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-15 04:57:09,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:57:09,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-15 04:57:09,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:09,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:57:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-15 04:57:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 04:57:09,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:09,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:09,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:09,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:09,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:09,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:09,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:09,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:09,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:09,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:09,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:09,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:09,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:09,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:09,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:09,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:09,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:57:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:09,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:09,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:09,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:09,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:09,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:09,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:57:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:09,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:10,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:10,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 04:57:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:10,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:10,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:10,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:10,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:57:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:10,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:10,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 04:57:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:10,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:57:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:10,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:10,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:10,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:10,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:57:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:10,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:10,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:10,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-15 04:57:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 04:57:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 04:57:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 04:57:10,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:10,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 04:57:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 04:57:10,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:10,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:10,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-15 04:57:10,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:10,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:10,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:10,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:10,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-15 04:57:10,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052892911] [2020-10-15 04:57:10,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:57:10,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 04:57:10,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231148644] [2020-10-15 04:57:10,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 04:57:10,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:10,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 04:57:10,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 04:57:10,183 INFO L87 Difference]: Start difference. First operand 4735 states and 6505 transitions. Second operand 13 states. [2020-10-15 04:57:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:18,160 INFO L93 Difference]: Finished difference Result 17727 states and 26556 transitions. [2020-10-15 04:57:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-15 04:57:18,160 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 162 [2020-10-15 04:57:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:18,218 INFO L225 Difference]: With dead ends: 17727 [2020-10-15 04:57:18,218 INFO L226 Difference]: Without dead ends: 10133 [2020-10-15 04:57:18,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1841 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=881, Invalid=4231, Unknown=0, NotChecked=0, Total=5112 [2020-10-15 04:57:18,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10133 states. [2020-10-15 04:57:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10133 to 8615. [2020-10-15 04:57:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8615 states. [2020-10-15 04:57:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8615 states to 8615 states and 11646 transitions. [2020-10-15 04:57:19,147 INFO L78 Accepts]: Start accepts. Automaton has 8615 states and 11646 transitions. Word has length 162 [2020-10-15 04:57:19,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:19,147 INFO L479 AbstractCegarLoop]: Abstraction has 8615 states and 11646 transitions. [2020-10-15 04:57:19,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 04:57:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 8615 states and 11646 transitions. [2020-10-15 04:57:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-15 04:57:19,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:19,160 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:57:19,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 04:57:19,161 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:19,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:19,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1906477626, now seen corresponding path program 1 times [2020-10-15 04:57:19,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:19,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621627226] [2020-10-15 04:57:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-15 04:57:19,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:57:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-15 04:57:19,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-10-15 04:57:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 04:57:19,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:19,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:19,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:57:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:19,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:57:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:19,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:19,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:19,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:57:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:19,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:19,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 04:57:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:19,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:57:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:19,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:57:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 04:57:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 04:57:19,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:19,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 04:57:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 04:57:19,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:19,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:57:19,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:19,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:19,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 04:57:19,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:19,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-15 04:57:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 04:57:19,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:57:19,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 04:57:19,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 04:57:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 04:57:19,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:19,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 04:57:19,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:19,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:19,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 04:57:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:19,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:19,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:19,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:19,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:19,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-15 04:57:20,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621627226] [2020-10-15 04:57:20,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:57:20,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 04:57:20,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057286019] [2020-10-15 04:57:20,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:57:20,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:20,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:57:20,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:57:20,032 INFO L87 Difference]: Start difference. First operand 8615 states and 11646 transitions. Second operand 10 states. [2020-10-15 04:57:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:24,065 INFO L93 Difference]: Finished difference Result 22085 states and 34232 transitions. [2020-10-15 04:57:24,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 04:57:24,066 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 206 [2020-10-15 04:57:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:24,133 INFO L225 Difference]: With dead ends: 22085 [2020-10-15 04:57:24,133 INFO L226 Difference]: Without dead ends: 12828 [2020-10-15 04:57:24,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2020-10-15 04:57:24,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12828 states. [2020-10-15 04:57:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12828 to 11114. [2020-10-15 04:57:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11114 states. [2020-10-15 04:57:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11114 states to 11114 states and 15703 transitions. [2020-10-15 04:57:25,162 INFO L78 Accepts]: Start accepts. Automaton has 11114 states and 15703 transitions. Word has length 206 [2020-10-15 04:57:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:25,163 INFO L479 AbstractCegarLoop]: Abstraction has 11114 states and 15703 transitions. [2020-10-15 04:57:25,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:57:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 11114 states and 15703 transitions. [2020-10-15 04:57:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-15 04:57:25,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:25,175 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:57:25,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 04:57:25,175 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:25,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1127440364, now seen corresponding path program 1 times [2020-10-15 04:57:25,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:25,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874135069] [2020-10-15 04:57:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:25,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:25,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:26,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:26,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-15 04:57:26,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:57:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1722 [2020-10-15 04:57:26,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:26,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:57:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-15 04:57:26,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-15 04:57:26,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:26,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:26,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:26,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:26,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:26,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:26,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:26,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:26,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:26,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:26,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:26,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:26,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:26,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:26,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:26,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:26,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:26,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:26,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:26,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:26,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:26,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:26,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:26,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:26,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:26,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:26,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:26,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:57:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:27,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:57:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:27,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 04:57:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:27,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:27,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:27,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:57:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:27,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:27,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:57:27,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:27,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 04:57:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:27,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:27,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:57:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:57:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:27,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:27,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:57:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:27,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:57:27,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:27,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 04:57:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 04:57:27,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:27,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 04:57:27,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 04:57:27,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 04:57:27,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:27,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:27,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:27,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:27,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-15 04:57:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 04:57:27,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:27,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 04:57:27,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 04:57:27,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:27,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 04:57:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:27,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-15 04:57:27,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874135069] [2020-10-15 04:57:27,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 04:57:27,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 04:57:27,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030772189] [2020-10-15 04:57:27,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:57:27,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:27,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:57:27,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:57:27,236 INFO L87 Difference]: Start difference. First operand 11114 states and 15703 transitions. Second operand 12 states. [2020-10-15 04:57:30,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:30,488 INFO L93 Difference]: Finished difference Result 22796 states and 33009 transitions. [2020-10-15 04:57:30,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 04:57:30,488 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 207 [2020-10-15 04:57:30,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:30,538 INFO L225 Difference]: With dead ends: 22796 [2020-10-15 04:57:30,538 INFO L226 Difference]: Without dead ends: 11711 [2020-10-15 04:57:30,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=300, Invalid=822, Unknown=0, NotChecked=0, Total=1122 [2020-10-15 04:57:30,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2020-10-15 04:57:31,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 10669. [2020-10-15 04:57:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10669 states. [2020-10-15 04:57:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10669 states to 10669 states and 13376 transitions. [2020-10-15 04:57:31,353 INFO L78 Accepts]: Start accepts. Automaton has 10669 states and 13376 transitions. Word has length 207 [2020-10-15 04:57:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:31,354 INFO L479 AbstractCegarLoop]: Abstraction has 10669 states and 13376 transitions. [2020-10-15 04:57:31,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:57:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 10669 states and 13376 transitions. [2020-10-15 04:57:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-15 04:57:31,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:31,363 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 04:57:31,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 04:57:31,363 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:31,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:31,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1382123670, now seen corresponding path program 1 times [2020-10-15 04:57:31,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:31,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224333290] [2020-10-15 04:57:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-15 04:57:31,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 04:57:31,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-15 04:57:31,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 04:57:31,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:31,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:31,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:31,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:31,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:31,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 04:57:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:31,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-15 04:57:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 04:57:31,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:31,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 04:57:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:31,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:31,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:31,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 04:57:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:31,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:31,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-15 04:57:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:31,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 04:57:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:31,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 04:57:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 04:57:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 04:57:31,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:31,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:31,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 04:57:31,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:31,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:31,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:31,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-15 04:57:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-15 04:57:31,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:57:31,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 04:57:31,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 04:57:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 04:57:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 04:57:31,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:31,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:57:31,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-15 04:57:31,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:31,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:31,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:57:31,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 04:57:31,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 04:57:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:31,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:57:31,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-15 04:57:31,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224333290] [2020-10-15 04:57:31,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:31,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 04:57:31,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59011791] [2020-10-15 04:57:31,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 04:57:31,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:31,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 04:57:31,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-15 04:57:31,927 INFO L87 Difference]: Start difference. First operand 10669 states and 13376 transitions. Second operand 11 states. [2020-10-15 04:57:34,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:34,649 INFO L93 Difference]: Finished difference Result 19881 states and 25279 transitions. [2020-10-15 04:57:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 04:57:34,649 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-10-15 04:57:34,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:34,670 INFO L225 Difference]: With dead ends: 19881 [2020-10-15 04:57:34,670 INFO L226 Difference]: Without dead ends: 3249 [2020-10-15 04:57:34,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2020-10-15 04:57:34,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2020-10-15 04:57:35,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 3062. [2020-10-15 04:57:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3062 states. [2020-10-15 04:57:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 3496 transitions. [2020-10-15 04:57:35,124 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 3496 transitions. Word has length 207 [2020-10-15 04:57:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:35,125 INFO L479 AbstractCegarLoop]: Abstraction has 3062 states and 3496 transitions. [2020-10-15 04:57:35,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 04:57:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3496 transitions. [2020-10-15 04:57:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-15 04:57:35,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:35,129 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2020-10-15 04:57:35,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 04:57:35,130 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:35,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:35,130 INFO L82 PathProgramCache]: Analyzing trace with hash 89354437, now seen corresponding path program 1 times [2020-10-15 04:57:35,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:35,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528164596] [2020-10-15 04:57:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 04:57:35,153 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 04:57:35,154 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 04:57:35,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 04:57:35,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:57:35 BoogieIcfgContainer [2020-10-15 04:57:35,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 04:57:35,221 INFO L168 Benchmark]: Toolchain (without parser) took 87497.80 ms. Allocated memory was 147.8 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 103.9 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. [2020-10-15 04:57:35,222 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 04:57:35,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.42 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 183.4 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-15 04:57:35,225 INFO L168 Benchmark]: Boogie Preprocessor took 47.11 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 181.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-10-15 04:57:35,232 INFO L168 Benchmark]: RCFGBuilder took 651.63 ms. Allocated memory is still 205.0 MB. Free memory was 180.1 MB in the beginning and 144.6 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-10-15 04:57:35,233 INFO L168 Benchmark]: TraceAbstraction took 86348.00 ms. Allocated memory was 205.0 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 143.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 175.4 MB. Max. memory is 7.1 GB. [2020-10-15 04:57:35,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.42 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 183.4 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.11 ms. Allocated memory is still 205.0 MB. Free memory was 183.4 MB in the beginning and 181.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 651.63 ms. Allocated memory is still 205.0 MB. Free memory was 180.1 MB in the beginning and 144.6 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86348.00 ms. Allocated memory was 205.0 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 143.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 175.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int t2_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int t2_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int t2_i ; [L24] int M_E = 2; [L25] int T1_E = 2; [L26] int T2_E = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; [L563] int __retres1 ; [L567] CALL init_model() [L477] m_i = 1 [L478] t1_i = 1 [L479] t2_i = 1 [L567] RET init_model() [L568] CALL start_simulation() [L504] int kernel_st ; [L505] int tmp ; [L506] int tmp___0 ; [L510] kernel_st = 0 [L511] FCALL update_channels() [L512] CALL init_threads() [L211] COND TRUE m_i == 1 [L212] m_st = 0 [L216] COND TRUE t1_i == 1 [L217] t1_st = 0 [L221] COND TRUE t2_i == 1 [L222] t2_st = 0 [L512] RET init_threads() [L513] CALL fire_delta_events() [L324] COND FALSE !(M_E == 0) [L329] COND FALSE !(T1_E == 0) [L334] COND FALSE !(T2_E == 0) [L339] COND FALSE !(E_1 == 0) [L344] COND FALSE !(E_2 == 0) [L513] RET fire_delta_events() [L514] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND FALSE !(m_pc == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND FALSE !(t1_pc == 1) [L175] __retres1 = 0 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND FALSE !(t2_pc == 1) [L194] __retres1 = 0 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) [L514] RET activate_threads() [L515] CALL reset_delta_events() [L357] COND FALSE !(M_E == 1) [L362] COND FALSE !(T1_E == 1) [L367] COND FALSE !(T2_E == 1) [L372] COND FALSE !(E_1 == 1) [L377] COND FALSE !(E_2 == 1) [L515] RET reset_delta_events() [L518] COND TRUE 1 [L521] kernel_st = 1 [L522] CALL eval() [L257] int tmp ; [L261] COND TRUE 1 [L264] CALL, EXPR exists_runnable_thread() [L231] int __retres1 ; [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 [L252] return (__retres1); [L264] RET, EXPR exists_runnable_thread() [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND FALSE !(\read(tmp_ndt_1)) [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 [L291] CALL transmit1() [L78] COND TRUE t1_pc == 0 [L89] COND TRUE 1 [L91] t1_pc = 1 [L92] t1_st = 2 [L291] RET transmit1() [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 [L305] CALL transmit2() [L113] COND TRUE t2_pc == 0 [L124] COND TRUE 1 [L126] t2_pc = 1 [L127] t2_st = 2 [L305] RET transmit2() [L261] COND TRUE 1 [L264] CALL, EXPR exists_runnable_thread() [L231] int __retres1 ; [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 [L252] return (__retres1); [L264] RET, EXPR exists_runnable_thread() [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp_ndt_1) [L276] m_st = 1 [L277] CALL master() [L37] COND TRUE m_pc == 0 [L48] COND TRUE 1 [L51] E_1 = 1 [L52] CALL immediate_notify() [L425] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND FALSE !(m_pc == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND TRUE t1_pc == 1 [L166] COND TRUE E_1 == 1 [L167] __retres1 = 1 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND TRUE \read(tmp___0) [L404] t1_st = 0 [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND TRUE t2_pc == 1 [L185] COND FALSE !(E_2 == 1) [L194] __retres1 = 0 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) [L425] RET activate_threads() [L52] RET immediate_notify() [L53] E_1 = 2 [L56] COND TRUE 1 [L58] m_pc = 1 [L59] m_st = 2 [L277] RET master() [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 [L291] CALL transmit1() [L78] COND FALSE !(t1_pc == 0) [L81] COND TRUE t1_pc == 1 [L97] E_2 = 1 [L98] CALL immediate_notify() [L425] CALL activate_threads() [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L393] CALL, EXPR is_master_triggered() [L143] int __retres1 ; [L146] COND TRUE m_pc == 1 [L147] COND FALSE !(M_E == 1) [L156] __retres1 = 0 [L158] return (__retres1); [L393] RET, EXPR is_master_triggered() [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) [L401] CALL, EXPR is_transmit1_triggered() [L162] int __retres1 ; [L165] COND TRUE t1_pc == 1 [L166] COND FALSE !(E_1 == 1) [L175] __retres1 = 0 [L177] return (__retres1); [L401] RET, EXPR is_transmit1_triggered() [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) [L409] CALL, EXPR is_transmit2_triggered() [L181] int __retres1 ; [L184] COND TRUE t2_pc == 1 [L185] COND TRUE E_2 == 1 [L186] __retres1 = 1 [L196] return (__retres1); [L409] RET, EXPR is_transmit2_triggered() [L409] tmp___1 = is_transmit2_triggered() [L411] COND TRUE \read(tmp___1) [L412] t2_st = 0 [L425] RET activate_threads() [L98] RET immediate_notify() [L99] E_2 = 2 [L89] COND TRUE 1 [L91] t1_pc = 1 [L92] t1_st = 2 [L291] RET transmit1() [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 [L305] CALL transmit2() [L113] COND FALSE !(t2_pc == 0) [L116] COND TRUE t2_pc == 1 [L132] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 86.2s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 39.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2316 SDtfs, 16231 SDslu, 865 SDs, 0 SdLazy, 19587 SolverSat, 8541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 519 SyntacticMatches, 6 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3403 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11114occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 8521 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 41.3s InterpolantComputationTime, 1930 NumberOfCodeBlocks, 1930 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 631766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 439/486 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...