/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.08.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:06:07,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:06:07,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:06:07,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:06:07,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:06:07,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:06:07,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:06:07,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:06:07,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:06:07,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:06:07,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:06:07,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:06:07,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:06:07,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:06:07,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:06:07,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:06:07,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:06:07,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:06:07,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:06:07,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:06:07,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:06:07,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:06:07,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:06:07,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:06:07,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:06:07,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:06:07,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:06:07,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:06:07,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:06:07,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:06:07,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:06:07,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:06:07,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:06:07,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:06:07,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:06:07,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:06:07,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:06:07,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:06:07,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:06:07,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:06:07,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:06:07,591 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 [2020-10-28 01:06:07,645 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:06:07,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:06:07,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:06:07,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:06:07,650 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:06:07,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:06:07,651 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:06:07,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:06:07,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:06:07,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:06:07,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:06:07,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:06:07,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:06:07,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:06:07,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:06:07,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:06:07,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:06:07,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:06:07,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:06:07,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:06:07,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:06:07,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:06:07,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:06:07,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:06:07,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:06:07,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:06:07,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:06:07,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:06:07,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:06:07,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:06:08,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:06:08,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:06:08,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:06:08,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:06:08,170 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:06:08,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-1.c [2020-10-28 01:06:08,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d22b0937/478a7fbbb02d4476a0d7ec8e7622f5a5/FLAGd11e1d604 [2020-10-28 01:06:08,873 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:06:08,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-1.c [2020-10-28 01:06:08,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d22b0937/478a7fbbb02d4476a0d7ec8e7622f5a5/FLAGd11e1d604 [2020-10-28 01:06:09,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d22b0937/478a7fbbb02d4476a0d7ec8e7622f5a5 [2020-10-28 01:06:09,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:06:09,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:06:09,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:06:09,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:06:09,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:06:09,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5126e57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09, skipping insertion in model container [2020-10-28 01:06:09,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:06:09,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:06:09,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:06:09,674 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:06:09,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:06:09,794 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:06:09,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09 WrapperNode [2020-10-28 01:06:09,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:06:09,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:06:09,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:06:09,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:06:09,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (1/1) ... [2020-10-28 01:06:09,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:06:09,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:06:09,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:06:09,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:06:09,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (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 [2020-10-28 01:06:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:06:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:06:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:06:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:06:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:06:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:06:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:06:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:06:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:06:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:06:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 01:06:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 01:06:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 01:06:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:06:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:06:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:06:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:06:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:06:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:06:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 01:06:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 01:06:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 01:06:10,031 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:06:10,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:06:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:06:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:06:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:06:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:06:10,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:06:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:06:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:06:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:06:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:06:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 01:06:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 01:06:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 01:06:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:06:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:06:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:06:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:06:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:06:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:06:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:06:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:06:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 01:06:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 01:06:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 01:06:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:06:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:06:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:06:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:06:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:06:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:06:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:06:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:06:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:06:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:06:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:06:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:06:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:06:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:06:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:06:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:06:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:06:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:06:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:06:11,360 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:06:11,361 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-28 01:06:11,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:06:11 BoogieIcfgContainer [2020-10-28 01:06:11,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:06:11,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:06:11,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:06:11,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:06:11,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:06:09" (1/3) ... [2020-10-28 01:06:11,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e9c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:06:11, skipping insertion in model container [2020-10-28 01:06:11,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:09" (2/3) ... [2020-10-28 01:06:11,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e9c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:06:11, skipping insertion in model container [2020-10-28 01:06:11,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:06:11" (3/3) ... [2020-10-28 01:06:11,374 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-1.c [2020-10-28 01:06:11,387 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:06:11,393 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:06:11,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:06:11,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:06:11,439 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:06:11,439 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:06:11,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:06:11,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:06:11,440 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:06:11,440 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:06:11,440 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:06:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states. [2020-10-28 01:06:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:06:11,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:11,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:11,494 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:11,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:11,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2066023672, now seen corresponding path program 1 times [2020-10-28 01:06:11,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:11,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997460417] [2020-10-28 01:06:11,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:11,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:12,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:12,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:12,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:13,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:14,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:16,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:16,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:06:16,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:06:16,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 01:06:16,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 01:06:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 01:06:17,325 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:06:17,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:17,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:17,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:17,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:06:17,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:17,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:17,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:17,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:17,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:17,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:17,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:17,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:17,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:17,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:17,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:17,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:17,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:17,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:06:17,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:17,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:06:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:17,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:17,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:06:17,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:06:17,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:17,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:17,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:06:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:17,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:17,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:06:18,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:06:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-28 01:06:18,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 01:06:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:18,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:18,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:18,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:18,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:06:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:18,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:06:18,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:06:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:18,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:06:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:18,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:06:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:06:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:06:18,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:06:18,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:06:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:06:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:18,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:18,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:18,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:18,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:18,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:18,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:06:18,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997460417] [2020-10-28 01:06:18,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:18,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:06:18,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105548253] [2020-10-28 01:06:18,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:06:18,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:18,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:06:18,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:06:18,973 INFO L87 Difference]: Start difference. First operand 358 states. Second operand 10 states. [2020-10-28 01:06:21,321 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:21,605 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-28 01:06:22,006 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:22,421 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-28 01:06:26,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:26,665 INFO L93 Difference]: Finished difference Result 915 states and 1496 transitions. [2020-10-28 01:06:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:06:26,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-28 01:06:26,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:26,690 INFO L225 Difference]: With dead ends: 915 [2020-10-28 01:06:26,690 INFO L226 Difference]: Without dead ends: 572 [2020-10-28 01:06:26,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:06:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-10-28 01:06:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 351. [2020-10-28 01:06:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-28 01:06:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 505 transitions. [2020-10-28 01:06:26,911 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 505 transitions. Word has length 176 [2020-10-28 01:06:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:26,914 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 505 transitions. [2020-10-28 01:06:26,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:06:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 505 transitions. [2020-10-28 01:06:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:06:26,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:26,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:26,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:06:26,931 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:26,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:26,932 INFO L82 PathProgramCache]: Analyzing trace with hash 137750970, now seen corresponding path program 1 times [2020-10-28 01:06:26,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:26,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372132170] [2020-10-28 01:06:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:27,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:31,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:31,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:06:31,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 01:06:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:06:31,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 01:06:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:31,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,281 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:06:32,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:32,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:06:32,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:32,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:32,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:06:32,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:32,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:32,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:06:32,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:06:32,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:06:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:06:32,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:06:32,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:06:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:06:32,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:06:32,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-10-28 01:06:32,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 01:06:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:32,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:32,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:32,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:32,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:06:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:06:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:06:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:32,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:06:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:32,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:06:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:06:32,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:06:32,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:06:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:06:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:32,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:32,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:32,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:32,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:32,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:32,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:32,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:06:32,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372132170] [2020-10-28 01:06:32,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:32,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:06:32,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104014162] [2020-10-28 01:06:33,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:06:33,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:33,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:06:33,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:06:33,001 INFO L87 Difference]: Start difference. First operand 351 states and 505 transitions. Second operand 10 states. [2020-10-28 01:06:34,924 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:35,211 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-28 01:06:35,623 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:36,042 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:41,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:41,496 INFO L93 Difference]: Finished difference Result 914 states and 1416 transitions. [2020-10-28 01:06:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:06:41,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-28 01:06:41,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:41,504 INFO L225 Difference]: With dead ends: 914 [2020-10-28 01:06:41,504 INFO L226 Difference]: Without dead ends: 590 [2020-10-28 01:06:41,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:06:41,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-28 01:06:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 356. [2020-10-28 01:06:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-28 01:06:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 510 transitions. [2020-10-28 01:06:41,601 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 510 transitions. Word has length 176 [2020-10-28 01:06:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:41,602 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 510 transitions. [2020-10-28 01:06:41,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:06:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 510 transitions. [2020-10-28 01:06:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:06:41,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:41,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:41,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:06:41,605 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:41,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1773291588, now seen corresponding path program 1 times [2020-10-28 01:06:41,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:41,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183169981] [2020-10-28 01:06:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:41,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:41,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:45,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:46,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:06:46,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:06:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 01:06:46,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 01:06:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:46,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:46,931 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:06:46,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:06:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:46,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:46,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:46,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:46,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:06:46,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:46,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:46,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:06:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:46,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:46,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:06:46,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:46,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:46,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:46,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:46,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:06:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:46,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:46,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:46,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:06:46,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:06:46,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:06:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:06:47,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:47,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:06:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:06:47,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:06:47,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:06:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:06:47,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 01:06:47,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:06:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:06:47,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:06:47,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:06:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:47,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:06:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:47,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:06:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:06:47,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:06:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:06:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:06:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:06:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:06:47,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:06:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:06:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:06:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:06:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:06:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:06:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:06:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:06:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:06:47,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:06:47,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:06:47,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:06:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:47,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:47,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:06:47,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:06:47,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:06:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:06:47,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183169981] [2020-10-28 01:06:47,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:06:47,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:06:47,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534828961] [2020-10-28 01:06:47,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:06:47,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:06:47,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:06:47,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:06:47,423 INFO L87 Difference]: Start difference. First operand 356 states and 510 transitions. Second operand 10 states. [2020-10-28 01:06:49,175 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-28 01:06:49,506 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-28 01:06:49,970 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:50,408 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:06:56,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:06:56,482 INFO L93 Difference]: Finished difference Result 937 states and 1447 transitions. [2020-10-28 01:06:56,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:06:56,484 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-28 01:06:56,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:06:56,489 INFO L225 Difference]: With dead ends: 937 [2020-10-28 01:06:56,489 INFO L226 Difference]: Without dead ends: 608 [2020-10-28 01:06:56,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:06:56,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-10-28 01:06:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 361. [2020-10-28 01:06:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-10-28 01:06:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 515 transitions. [2020-10-28 01:06:56,574 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 515 transitions. Word has length 176 [2020-10-28 01:06:56,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:06:56,576 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 515 transitions. [2020-10-28 01:06:56,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:06:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 515 transitions. [2020-10-28 01:06:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:06:56,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:06:56,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:06:56,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:06:56,579 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:06:56,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:06:56,580 INFO L82 PathProgramCache]: Analyzing trace with hash 624178942, now seen corresponding path program 1 times [2020-10-28 01:06:56,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:06:56,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678329289] [2020-10-28 01:06:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:06:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:06:56,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:06:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:00,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:01,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:07:01,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 01:07:01,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-28 01:07:01,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 01:07:01,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 01:07:01,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:01,994 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:07:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:02,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:07:02,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:02,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:02,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:02,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:02,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:07:02,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:02,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:07:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:02,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:07:02,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:07:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:07:02,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 01:07:02,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 01:07:02,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:02,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:02,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:02,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:02,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:02,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:02,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:02,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:02,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:07:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:02,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 01:07:02,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:02,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:02,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:07:02,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:07:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:02,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:02,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:02,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:02,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678329289] [2020-10-28 01:07:02,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:02,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:07:02,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040672020] [2020-10-28 01:07:02,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:07:02,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:02,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:07:02,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:07:02,566 INFO L87 Difference]: Start difference. First operand 361 states and 515 transitions. Second operand 9 states. [2020-10-28 01:07:03,985 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:07:06,523 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:07:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:14,825 INFO L93 Difference]: Finished difference Result 1613 states and 2429 transitions. [2020-10-28 01:07:14,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:07:14,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-28 01:07:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:14,836 INFO L225 Difference]: With dead ends: 1613 [2020-10-28 01:07:14,836 INFO L226 Difference]: Without dead ends: 1280 [2020-10-28 01:07:14,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:07:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2020-10-28 01:07:14,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 822. [2020-10-28 01:07:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-10-28 01:07:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1168 transitions. [2020-10-28 01:07:14,996 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1168 transitions. Word has length 176 [2020-10-28 01:07:14,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:14,996 INFO L481 AbstractCegarLoop]: Abstraction has 822 states and 1168 transitions. [2020-10-28 01:07:14,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:07:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1168 transitions. [2020-10-28 01:07:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:07:14,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:15,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:15,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:07:15,000 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:15,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:15,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1653538240, now seen corresponding path program 1 times [2020-10-28 01:07:15,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:15,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087764825] [2020-10-28 01:07:15,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:15,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:15,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:18,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:18,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:07:20,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 01:07:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 01:07:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 01:07:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 01:07:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,385 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:07:20,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:20,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:20,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:20,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:20,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:20,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:20,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:07:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:20,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:20,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:07:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 01:07:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:20,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:20,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:07:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:20,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:20,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:20,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:20,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:20,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:20,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:20,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:20,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:20,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:07:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:07:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:20,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:07:20,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:07:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:20,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:20,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:20,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:20,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:20,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:20,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:20,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087764825] [2020-10-28 01:07:20,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:20,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:07:20,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643055257] [2020-10-28 01:07:20,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:07:20,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:20,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:07:20,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:07:20,801 INFO L87 Difference]: Start difference. First operand 822 states and 1168 transitions. Second operand 9 states. [2020-10-28 01:07:22,115 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:07:23,066 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:07:31,292 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 01:07:36,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:36,927 INFO L93 Difference]: Finished difference Result 4589 states and 7525 transitions. [2020-10-28 01:07:36,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 01:07:36,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-28 01:07:36,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:36,958 INFO L225 Difference]: With dead ends: 4589 [2020-10-28 01:07:36,958 INFO L226 Difference]: Without dead ends: 3795 [2020-10-28 01:07:36,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-28 01:07:36,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2020-10-28 01:07:37,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 2733. [2020-10-28 01:07:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2733 states. [2020-10-28 01:07:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 4160 transitions. [2020-10-28 01:07:37,455 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 4160 transitions. Word has length 176 [2020-10-28 01:07:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:37,455 INFO L481 AbstractCegarLoop]: Abstraction has 2733 states and 4160 transitions. [2020-10-28 01:07:37,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:07:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 4160 transitions. [2020-10-28 01:07:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:07:37,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:37,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:37,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:07:37,461 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:37,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:37,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1630905986, now seen corresponding path program 1 times [2020-10-28 01:07:37,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:37,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544906268] [2020-10-28 01:07:37,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:37,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:07:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:07:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:07:42,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:07:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 01:07:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:42,785 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:07:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:42,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:42,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:07:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:42,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:42,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:42,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:42,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:42,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:07:42,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:42,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:07:42,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 01:07:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:07:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:42,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:07:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:07:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:42,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:07:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:42,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:07:43,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:07:43,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 01:07:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:43,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:43,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:07:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:07:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:43,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:43,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:43,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:43,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544906268] [2020-10-28 01:07:43,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:43,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:07:43,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724829896] [2020-10-28 01:07:43,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:07:43,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:43,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:07:43,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:07:43,133 INFO L87 Difference]: Start difference. First operand 2733 states and 4160 transitions. Second operand 8 states. [2020-10-28 01:07:43,442 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:07:43,862 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:07:49,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:49,715 INFO L93 Difference]: Finished difference Result 6364 states and 9961 transitions. [2020-10-28 01:07:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:07:49,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-28 01:07:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:49,741 INFO L225 Difference]: With dead ends: 6364 [2020-10-28 01:07:49,742 INFO L226 Difference]: Without dead ends: 3653 [2020-10-28 01:07:49,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:07:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2020-10-28 01:07:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 2733. [2020-10-28 01:07:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2733 states. [2020-10-28 01:07:50,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 4159 transitions. [2020-10-28 01:07:50,251 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 4159 transitions. Word has length 176 [2020-10-28 01:07:50,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:50,252 INFO L481 AbstractCegarLoop]: Abstraction has 2733 states and 4159 transitions. [2020-10-28 01:07:50,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:07:50,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 4159 transitions. [2020-10-28 01:07:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:07:50,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:50,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:50,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:07:50,258 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:50,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1258869632, now seen corresponding path program 1 times [2020-10-28 01:07:50,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:50,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869607253] [2020-10-28 01:07:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:53,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 01:07:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,652 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:07:55,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:55,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:07:55,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:55,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:07:55,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:55,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:55,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:07:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:55,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:07:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:07:55,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:55,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:07:55,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:07:55,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:07:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:07:55,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:07:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 01:07:55,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:55,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:55,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:55,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:55,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:56,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:07:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:56,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:56,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:56,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:07:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:56,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:56,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:56,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:56,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:56,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:56,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:56,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:56,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869607253] [2020-10-28 01:07:56,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:56,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:56,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139999655] [2020-10-28 01:07:56,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:56,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:56,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:56,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:56,100 INFO L87 Difference]: Start difference. First operand 2733 states and 4159 transitions. Second operand 10 states. [2020-10-28 01:07:56,437 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:08:02,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:02,790 INFO L93 Difference]: Finished difference Result 6360 states and 10028 transitions. [2020-10-28 01:08:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:08:02,791 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-28 01:08:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:02,817 INFO L225 Difference]: With dead ends: 6360 [2020-10-28 01:08:02,817 INFO L226 Difference]: Without dead ends: 3653 [2020-10-28 01:08:02,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-28 01:08:02,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2020-10-28 01:08:03,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 2733. [2020-10-28 01:08:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2733 states. [2020-10-28 01:08:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 4138 transitions. [2020-10-28 01:08:03,441 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 4138 transitions. Word has length 176 [2020-10-28 01:08:03,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:03,441 INFO L481 AbstractCegarLoop]: Abstraction has 2733 states and 4138 transitions. [2020-10-28 01:08:03,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 4138 transitions. [2020-10-28 01:08:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:08:03,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:03,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:03,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:08:03,448 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:03,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:03,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1202724732, now seen corresponding path program 1 times [2020-10-28 01:08:03,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:03,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985463329] [2020-10-28 01:08:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:03,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:03,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:04,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:06,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 01:08:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,764 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:08:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:08:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:08,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:08,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:08:08,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:08:08,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:08,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:08:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:08,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:08,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:08,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:08,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:08:08,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:08:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:08:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:08:09,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:08:09,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 01:08:09,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:08:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:09,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:08:09,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:08:09,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:08:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:09,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:09,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985463329] [2020-10-28 01:08:09,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:09,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:09,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758006078] [2020-10-28 01:08:09,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:09,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:09,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:09,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:09,169 INFO L87 Difference]: Start difference. First operand 2733 states and 4138 transitions. Second operand 10 states. [2020-10-28 01:08:09,510 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:08:13,423 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 01:08:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:18,216 INFO L93 Difference]: Finished difference Result 7714 states and 12977 transitions. [2020-10-28 01:08:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 01:08:18,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-28 01:08:18,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:18,255 INFO L225 Difference]: With dead ends: 7714 [2020-10-28 01:08:18,255 INFO L226 Difference]: Without dead ends: 5007 [2020-10-28 01:08:18,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-28 01:08:18,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5007 states. [2020-10-28 01:08:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5007 to 3399. [2020-10-28 01:08:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3399 states. [2020-10-28 01:08:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4934 transitions. [2020-10-28 01:08:18,841 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4934 transitions. Word has length 176 [2020-10-28 01:08:18,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:18,841 INFO L481 AbstractCegarLoop]: Abstraction has 3399 states and 4934 transitions. [2020-10-28 01:08:18,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4934 transitions. [2020-10-28 01:08:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:08:18,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:18,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:18,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:08:18,845 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:18,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:18,846 INFO L82 PathProgramCache]: Analyzing trace with hash -657531648, now seen corresponding path program 1 times [2020-10-28 01:08:18,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:18,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023273230] [2020-10-28 01:08:18,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:19,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:21,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:23,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:08:23,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 01:08:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:08:23,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:08:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:08:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-28 01:08:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,181 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:08:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:24,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:08:24,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:08:24,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:08:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:08:24,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:08:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:24,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:08:24,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 01:08:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:08:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 01:08:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 01:08:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:24,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:24,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:08:24,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:08:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:08:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:24,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:24,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:24,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:24,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:24,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:24,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:24,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:24,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:24,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023273230] [2020-10-28 01:08:24,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:24,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:08:24,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038848658] [2020-10-28 01:08:24,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:08:24,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:24,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:08:24,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:08:24,576 INFO L87 Difference]: Start difference. First operand 3399 states and 4934 transitions. Second operand 8 states. [2020-10-28 01:08:24,878 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:08:28,741 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:08:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:36,056 INFO L93 Difference]: Finished difference Result 11355 states and 17746 transitions. [2020-10-28 01:08:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:08:36,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-28 01:08:36,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:36,106 INFO L225 Difference]: With dead ends: 11355 [2020-10-28 01:08:36,106 INFO L226 Difference]: Without dead ends: 7986 [2020-10-28 01:08:36,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 01:08:36,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7986 states. [2020-10-28 01:08:37,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7986 to 6078. [2020-10-28 01:08:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6078 states. [2020-10-28 01:08:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6078 states to 6078 states and 9002 transitions. [2020-10-28 01:08:37,086 INFO L78 Accepts]: Start accepts. Automaton has 6078 states and 9002 transitions. Word has length 176 [2020-10-28 01:08:37,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:37,087 INFO L481 AbstractCegarLoop]: Abstraction has 6078 states and 9002 transitions. [2020-10-28 01:08:37,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:08:37,087 INFO L276 IsEmpty]: Start isEmpty. Operand 6078 states and 9002 transitions. [2020-10-28 01:08:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:08:37,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:37,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:37,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:08:37,091 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:37,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:37,091 INFO L82 PathProgramCache]: Analyzing trace with hash 569172829, now seen corresponding path program 1 times [2020-10-28 01:08:37,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:37,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217629118] [2020-10-28 01:08:37,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:39,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:08:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:08:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 01:08:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,431 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:08:42,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:08:42,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:08:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:42,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:42,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:42,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:08:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:08:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:08:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:08:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 01:08:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:42,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:42,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:08:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:08:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:42,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:42,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217629118] [2020-10-28 01:08:42,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:42,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:08:42,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710875382] [2020-10-28 01:08:42,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:08:42,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:42,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:08:42,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:08:42,811 INFO L87 Difference]: Start difference. First operand 6078 states and 9002 transitions. Second operand 9 states. [2020-10-28 01:08:43,130 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:08:49,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:49,709 INFO L93 Difference]: Finished difference Result 14022 states and 21425 transitions. [2020-10-28 01:08:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:08:49,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-28 01:08:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:49,766 INFO L225 Difference]: With dead ends: 14022 [2020-10-28 01:08:49,766 INFO L226 Difference]: Without dead ends: 7970 [2020-10-28 01:08:49,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:08:49,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2020-10-28 01:08:50,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 6078. [2020-10-28 01:08:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6078 states. [2020-10-28 01:08:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6078 states to 6078 states and 8960 transitions. [2020-10-28 01:08:50,840 INFO L78 Accepts]: Start accepts. Automaton has 6078 states and 8960 transitions. Word has length 176 [2020-10-28 01:08:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:50,840 INFO L481 AbstractCegarLoop]: Abstraction has 6078 states and 8960 transitions. [2020-10-28 01:08:50,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:08:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6078 states and 8960 transitions. [2020-10-28 01:08:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:08:50,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:50,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:50,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:08:50,845 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:50,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1038673823, now seen corresponding path program 1 times [2020-10-28 01:08:50,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:50,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215220644] [2020-10-28 01:08:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:50,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:53,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:55,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:55,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:55,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:08:55,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 01:08:55,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 01:08:55,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 01:08:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:08:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-28 01:08:55,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,177 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:08:56,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:56,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:08:56,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:08:56,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:08:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:08:56,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:56,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:08:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:08:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:56,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:08:56,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:56,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:08:56,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:08:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 01:08:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:08:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:08:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:08:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:56,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215220644] [2020-10-28 01:08:56,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:56,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:56,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908502709] [2020-10-28 01:08:56,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:56,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:56,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:56,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:56,544 INFO L87 Difference]: Start difference. First operand 6078 states and 8960 transitions. Second operand 10 states. [2020-10-28 01:08:56,854 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:09:01,654 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:09:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:05,798 INFO L93 Difference]: Finished difference Result 16898 states and 26148 transitions. [2020-10-28 01:09:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 01:09:05,798 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-28 01:09:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:05,841 INFO L225 Difference]: With dead ends: 16898 [2020-10-28 01:09:05,841 INFO L226 Difference]: Without dead ends: 10846 [2020-10-28 01:09:05,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-28 01:09:05,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10846 states. [2020-10-28 01:09:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10846 to 7374. [2020-10-28 01:09:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7374 states. [2020-10-28 01:09:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7374 states to 7374 states and 10488 transitions. [2020-10-28 01:09:07,202 INFO L78 Accepts]: Start accepts. Automaton has 7374 states and 10488 transitions. Word has length 176 [2020-10-28 01:09:07,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:07,202 INFO L481 AbstractCegarLoop]: Abstraction has 7374 states and 10488 transitions. [2020-10-28 01:09:07,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:09:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 7374 states and 10488 transitions. [2020-10-28 01:09:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:09:07,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:07,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:07,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:09:07,207 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:07,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2006988515, now seen corresponding path program 1 times [2020-10-28 01:09:07,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:07,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270027859] [2020-10-28 01:09:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:07,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:09,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:11,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:09:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 01:09:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 01:09:12,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:09:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:09:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 01:09:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:09:12,514 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:09:12,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:09:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:09:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:09:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:09:12,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:09:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:09:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:09:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:09:12,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:12,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 01:09:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:12,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:09:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:09:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:12,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270027859] [2020-10-28 01:09:12,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:12,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:09:12,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683455690] [2020-10-28 01:09:12,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:09:12,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:12,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:09:12,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:09:12,815 INFO L87 Difference]: Start difference. First operand 7374 states and 10488 transitions. Second operand 8 states. [2020-10-28 01:09:13,137 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:09:23,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:23,739 INFO L93 Difference]: Finished difference Result 26748 states and 39409 transitions. [2020-10-28 01:09:23,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:09:23,739 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-28 01:09:23,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:23,808 INFO L225 Difference]: With dead ends: 26748 [2020-10-28 01:09:23,809 INFO L226 Difference]: Without dead ends: 19400 [2020-10-28 01:09:23,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 01:09:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19400 states. [2020-10-28 01:09:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19400 to 14722. [2020-10-28 01:09:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14722 states. [2020-10-28 01:09:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14722 states to 14722 states and 20950 transitions. [2020-10-28 01:09:26,586 INFO L78 Accepts]: Start accepts. Automaton has 14722 states and 20950 transitions. Word has length 176 [2020-10-28 01:09:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:26,587 INFO L481 AbstractCegarLoop]: Abstraction has 14722 states and 20950 transitions. [2020-10-28 01:09:26,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:09:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 14722 states and 20950 transitions. [2020-10-28 01:09:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:09:26,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:26,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:26,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:09:26,591 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:26,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:26,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1886591075, now seen corresponding path program 1 times [2020-10-28 01:09:26,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:26,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784080913] [2020-10-28 01:09:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:26,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:27,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:27,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:27,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:27,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:30,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:31,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:31,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-28 01:09:31,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:31,897 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 01:09:31,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:31,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:31,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:09:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:31,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:31,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:31,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:31,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:09:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:31,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:31,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:09:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:31,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 01:09:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 01:09:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:09:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 01:09:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 01:09:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:32,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 01:09:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:09:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 01:09:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:32,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:32,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784080913] [2020-10-28 01:09:32,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:32,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:09:32,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606809165] [2020-10-28 01:09:32,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:09:32,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:32,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:09:32,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:09:32,269 INFO L87 Difference]: Start difference. First operand 14722 states and 20950 transitions. Second operand 9 states. [2020-10-28 01:09:32,563 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 01:09:41,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:41,127 INFO L93 Difference]: Finished difference Result 33728 states and 49380 transitions. [2020-10-28 01:09:41,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:09:41,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-10-28 01:09:41,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:41,200 INFO L225 Difference]: With dead ends: 33728 [2020-10-28 01:09:41,200 INFO L226 Difference]: Without dead ends: 19032 [2020-10-28 01:09:41,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:09:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19032 states. [2020-10-28 01:09:43,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19032 to 14722. [2020-10-28 01:09:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14722 states. [2020-10-28 01:09:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14722 states to 14722 states and 20862 transitions. [2020-10-28 01:09:43,811 INFO L78 Accepts]: Start accepts. Automaton has 14722 states and 20862 transitions. Word has length 176 [2020-10-28 01:09:43,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:43,812 INFO L481 AbstractCegarLoop]: Abstraction has 14722 states and 20862 transitions. [2020-10-28 01:09:43,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:09:43,812 INFO L276 IsEmpty]: Start isEmpty. Operand 14722 states and 20862 transitions. [2020-10-28 01:09:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 01:09:43,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:43,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:43,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 01:09:43,816 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:43,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:43,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1644948255, now seen corresponding path program 1 times [2020-10-28 01:09:43,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:43,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98704396] [2020-10-28 01:09:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:43,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:43,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:44,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking...