/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=SHALLOWEST --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.05.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:34:54,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:34:54,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:34:54,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:34:54,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:34:54,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:34:54,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:34:54,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:34:54,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:34:54,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:34:54,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:34:54,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:34:54,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:34:54,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:34:54,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:34:54,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:34:54,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:34:54,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:34:54,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:34:54,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:34:54,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:34:54,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:34:54,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:34:54,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:34:54,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:34:54,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:34:54,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:34:54,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:34:54,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:34:54,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:34:54,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:34:54,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:34:54,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:34:54,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:34:54,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:34:54,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:34:54,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:34:54,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:34:54,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:34:54,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:34:54,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:34:54,606 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 [2020-10-27 06:34:54,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:34:54,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:34:54,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:34:54,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:34:54,638 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:34:54,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:34:54,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:34:54,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:34:54,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:34:54,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:34:54,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:34:54,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:34:54,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:34:54,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:34:54,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:34:54,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:34:54,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:34:54,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:34:54,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:34:54,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:34:54,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:34:54,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:34:54,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:34:54,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:34:54,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:34:54,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:34:54,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:34:54,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:34:54,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:34:54,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:34:55,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:34:55,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:34:55,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:34:55,084 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:34:55,084 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:34:55,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.05.cil-1.c [2020-10-27 06:34:55,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01cac2f51/be33a6900e784bc7825ad621deafbcd5/FLAGb4fc021cd [2020-10-27 06:34:55,892 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:34:55,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.05.cil-1.c [2020-10-27 06:34:55,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01cac2f51/be33a6900e784bc7825ad621deafbcd5/FLAGb4fc021cd [2020-10-27 06:34:56,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01cac2f51/be33a6900e784bc7825ad621deafbcd5 [2020-10-27 06:34:56,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:34:56,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:34:56,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:34:56,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:34:56,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:34:56,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78262a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56, skipping insertion in model container [2020-10-27 06:34:56,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:34:56,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:34:56,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:34:56,524 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:34:56,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:34:56,659 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:34:56,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56 WrapperNode [2020-10-27 06:34:56,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:34:56,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:34:56,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:34:56,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:34:56,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (1/1) ... [2020-10-27 06:34:56,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:34:56,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:34:56,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:34:56,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:34:56,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (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 [2020-10-27 06:34:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:34:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:34:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:34:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:34:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:34:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:34:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:34:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:34:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:34:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:34:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:34:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:34:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:34:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:34:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:34:56,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:34:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:34:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:34:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:34:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:34:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:34:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:34:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:34:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:34:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:34:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:34:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:34:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:34:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:34:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:34:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:34:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:34:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:34:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:34:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:34:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:34:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:34:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:34:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:34:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:34:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:34:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:34:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:34:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:34:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:34:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:34:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:34:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:34:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:34:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:34:57,829 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:34:57,829 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-27 06:34:57,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:34:57 BoogieIcfgContainer [2020-10-27 06:34:57,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:34:57,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:34:57,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:34:57,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:34:57,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:34:56" (1/3) ... [2020-10-27 06:34:57,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6fcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:34:57, skipping insertion in model container [2020-10-27 06:34:57,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:34:56" (2/3) ... [2020-10-27 06:34:57,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6fcf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:34:57, skipping insertion in model container [2020-10-27 06:34:57,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:34:57" (3/3) ... [2020-10-27 06:34:57,841 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.05.cil-1.c [2020-10-27 06:34:57,853 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:34:57,859 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:34:57,874 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:34:57,907 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:34:57,907 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:34:57,908 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:34:57,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:34:57,908 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:34:57,908 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:34:57,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:34:57,909 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:34:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2020-10-27 06:34:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:34:57,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:57,956 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] [2020-10-27 06:34:57,956 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:57,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:57,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1498703385, now seen corresponding path program 1 times [2020-10-27 06:34:57,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:57,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046792982] [2020-10-27 06:34:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:58,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:58,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:59,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:00,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:00,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:00,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:00,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:03,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:35:03,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 06:35:03,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-27 06:35:03,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:03,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:35:03,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:35:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 06:35:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:35:03,668 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:35:03,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:35:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:03,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:03,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 06:35:03,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:35:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:35:03,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:35:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:03,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:03,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:35:03,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:03,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:35:03,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:03,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:35:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:03,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:03,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:35:03,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:03,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:35:03,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:03,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:35:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:03,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:35:03,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:03,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:35:03,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:35:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:35:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:03,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:03,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:35:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:35:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:03,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:35:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:03,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:04,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:35:05,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:35:05,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1832 [2020-10-27 06:35:05,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:35:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:35:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:35:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:35:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:35:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:05,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:05,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:05,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:35:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:05,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:05,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:35:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:35:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:05,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:35:05,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:35:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:35:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:05,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:05,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:35:05,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:35:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:05,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:05,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:35:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:05,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:05,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:05,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:35:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:05,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:35:05,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:35:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:05,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:35:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:05,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:05,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:05,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:35:05,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:05,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:05,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:35:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:05,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:35:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:35:06,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046792982] [2020-10-27 06:35:06,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:35:06,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:35:06,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045523326] [2020-10-27 06:35:06,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:35:06,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:35:06,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:35:06,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:35:06,037 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 11 states. [2020-10-27 06:35:06,320 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:35:07,494 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:35:07,690 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:35:07,971 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:35:08,258 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:35:10,882 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:11,045 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:11,228 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:14,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:35:14,996 INFO L93 Difference]: Finished difference Result 1083 states and 1778 transitions. [2020-10-27 06:35:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:35:14,998 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2020-10-27 06:35:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:35:15,046 INFO L225 Difference]: With dead ends: 1083 [2020-10-27 06:35:15,047 INFO L226 Difference]: Without dead ends: 815 [2020-10-27 06:35:15,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2020-10-27 06:35:15,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-10-27 06:35:15,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 506. [2020-10-27 06:35:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-10-27 06:35:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 720 transitions. [2020-10-27 06:35:15,271 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 720 transitions. Word has length 134 [2020-10-27 06:35:15,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:35:15,272 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 720 transitions. [2020-10-27 06:35:15,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:35:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 720 transitions. [2020-10-27 06:35:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:35:15,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:35:15,277 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] [2020-10-27 06:35:15,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:35:15,277 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:35:15,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:35:15,278 INFO L82 PathProgramCache]: Analyzing trace with hash 987468346, now seen corresponding path program 1 times [2020-10-27 06:35:15,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:35:15,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613292498] [2020-10-27 06:35:15,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:35:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:15,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:15,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:16,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:16,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:20,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:35:20,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 06:35:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 06:35:20,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:35:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:35:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:35:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:20,501 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:35:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:35:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:20,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:20,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:20,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:35:20,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:20,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:35:20,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:35:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:20,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:20,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:35:20,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:35:20,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:20,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:35:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:20,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:20,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:35:20,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:20,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:35:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:20,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:20,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:35:20,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:20,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:35:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:35:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:20,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:20,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:20,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:20,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:35:20,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:20,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:35:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:35:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:20,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:35:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:20,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:35:21,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:35:21,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 784 [2020-10-27 06:35:21,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:35:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:35:21,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:35:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:35:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:21,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:21,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:21,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:35:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:35:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:21,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:21,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:35:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:35:21,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:35:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:35:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:21,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:21,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:21,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:35:21,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:35:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:21,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:21,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:21,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:35:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:35:21,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:35:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:35:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:21,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:21,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:35:21,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:21,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:35:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:35:21,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613292498] [2020-10-27 06:35:21,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:35:21,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:35:21,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367307957] [2020-10-27 06:35:21,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:35:21,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:35:21,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:35:21,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:35:21,681 INFO L87 Difference]: Start difference. First operand 506 states and 720 transitions. Second operand 13 states. [2020-10-27 06:35:21,850 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:35:22,945 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:23,102 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:35:23,311 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:23,496 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:35:25,640 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:25,787 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:26,009 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:26,212 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:35:28,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:35:28,153 INFO L93 Difference]: Finished difference Result 1483 states and 2240 transitions. [2020-10-27 06:35:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:35:28,159 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-27 06:35:28,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:35:28,172 INFO L225 Difference]: With dead ends: 1483 [2020-10-27 06:35:28,172 INFO L226 Difference]: Without dead ends: 1000 [2020-10-27 06:35:28,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:35:28,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2020-10-27 06:35:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 657. [2020-10-27 06:35:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-10-27 06:35:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 893 transitions. [2020-10-27 06:35:28,303 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 893 transitions. Word has length 134 [2020-10-27 06:35:28,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:35:28,304 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 893 transitions. [2020-10-27 06:35:28,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:35:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 893 transitions. [2020-10-27 06:35:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:35:28,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:35:28,307 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] [2020-10-27 06:35:28,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:35:28,307 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:35:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:35:28,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1750411719, now seen corresponding path program 1 times [2020-10-27 06:35:28,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:35:28,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991416095] [2020-10-27 06:35:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:35:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:28,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:28,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:29,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:33,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:35:33,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:35:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:35:33,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:35:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:35:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 06:35:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:33,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:35:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:33,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:35:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:35:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:33,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:33,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:33,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:33,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:35:33,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:33,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:33,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:33,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:35:33,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:33,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:35:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:33,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:35:33,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:33,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:35:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:35:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:35:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:33,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:35:33,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:35:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:33,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:35:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:33,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:33,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:33,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:35:33,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:33,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:35:33,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:35:33,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:35:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:35:34,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:35:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-10-27 06:35:34,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:35:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:35:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:35:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:35:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:35:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:34,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:34,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:35:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:35:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:34,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:34,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:34,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:35:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:34,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:34,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:35:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:34,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:35:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:35:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:34,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:34,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:34,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:35:34,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:34,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:34,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:35:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:35:34,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991416095] [2020-10-27 06:35:34,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:35:34,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:35:34,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624669782] [2020-10-27 06:35:34,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:35:34,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:35:34,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:35:34,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:35:34,472 INFO L87 Difference]: Start difference. First operand 657 states and 893 transitions. Second operand 13 states. [2020-10-27 06:35:34,642 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:35:35,442 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:35,613 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:35:35,805 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:35,961 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:37,795 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:37,943 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:38,102 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:38,241 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:40,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:35:40,343 INFO L93 Difference]: Finished difference Result 1840 states and 2653 transitions. [2020-10-27 06:35:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 06:35:40,344 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-27 06:35:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:35:40,355 INFO L225 Difference]: With dead ends: 1840 [2020-10-27 06:35:40,355 INFO L226 Difference]: Without dead ends: 1206 [2020-10-27 06:35:40,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=227, Invalid=703, Unknown=0, NotChecked=0, Total=930 [2020-10-27 06:35:40,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-10-27 06:35:40,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 813. [2020-10-27 06:35:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-10-27 06:35:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1064 transitions. [2020-10-27 06:35:40,517 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1064 transitions. Word has length 134 [2020-10-27 06:35:40,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:35:40,518 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1064 transitions. [2020-10-27 06:35:40,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:35:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1064 transitions. [2020-10-27 06:35:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:35:40,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:35:40,524 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] [2020-10-27 06:35:40,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:35:40,524 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:35:40,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:35:40,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1955704410, now seen corresponding path program 1 times [2020-10-27 06:35:40,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:35:40,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833373584] [2020-10-27 06:35:40,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:35:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:40,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:41,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:45,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:35:45,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 06:35:45,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:35:45,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:35:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:35:45,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 06:35:45,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:45,722 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:35:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:35:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:45,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:45,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:45,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:45,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:35:45,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:35:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:45,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:35:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:45,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:45,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:45,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:45,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:45,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:45,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:35:45,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:45,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:35:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:45,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:45,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:35:45,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:45,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:35:45,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:45,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:45,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:45,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:35:45,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:45,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:35:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:45,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:45,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:35:45,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:35:45,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:35:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:45,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:35:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:45,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:45,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:35:45,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:35:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:45,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:35:46,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:35:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 645 [2020-10-27 06:35:46,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:35:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:35:46,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:35:46,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:35:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:46,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:46,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:46,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:35:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:46,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:35:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:46,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:35:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:35:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:46,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:46,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:35:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:46,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:35:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:46,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:46,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:35:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:35:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:35:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:46,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:46,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:35:46,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:46,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:35:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:35:46,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833373584] [2020-10-27 06:35:46,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:35:46,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:35:46,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013964403] [2020-10-27 06:35:46,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:35:46,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:35:46,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:35:46,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:35:46,811 INFO L87 Difference]: Start difference. First operand 813 states and 1064 transitions. Second operand 13 states. [2020-10-27 06:35:46,970 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:35:47,867 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:35:48,030 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:35:48,187 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:35:48,339 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:35:50,220 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:35:50,396 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:35:50,592 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:35:50,746 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:35:53,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:35:53,088 INFO L93 Difference]: Finished difference Result 2100 states and 2911 transitions. [2020-10-27 06:35:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:35:53,093 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-27 06:35:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:35:53,103 INFO L225 Difference]: With dead ends: 2100 [2020-10-27 06:35:53,103 INFO L226 Difference]: Without dead ends: 1310 [2020-10-27 06:35:53,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 06:35:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-10-27 06:35:53,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 939. [2020-10-27 06:35:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2020-10-27 06:35:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1191 transitions. [2020-10-27 06:35:53,268 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1191 transitions. Word has length 134 [2020-10-27 06:35:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:35:53,268 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1191 transitions. [2020-10-27 06:35:53,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:35:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1191 transitions. [2020-10-27 06:35:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:35:53,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:35:53,270 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] [2020-10-27 06:35:53,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:35:53,271 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:35:53,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:35:53,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1938247976, now seen corresponding path program 1 times [2020-10-27 06:35:53,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:35:53,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211848878] [2020-10-27 06:35:53,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:35:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:53,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:35:58,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 06:35:58,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:35:58,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:35:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:35:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 06:35:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:35:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:58,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:35:58,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:35:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:35:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:35:58,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:35:58,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:58,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:35:58,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:35:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:35:58,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:35:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:35:58,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:35:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:35:58,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:35:58,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:35:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:35:58,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:35:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 06:35:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:35:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 06:35:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:35:58,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:35:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:58,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:35:58,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:35:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:58,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:35:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:35:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:58,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:58,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:35:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:58,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:35:58,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:35:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:35:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:35:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:35:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:35:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:35:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:35:58,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:58,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:35:58,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:35:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:35:58,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:35:58,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:35:58,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:35:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:35:58,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:35:58,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:35:58,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:35:58,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:35:58,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:35:58,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:35:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:35:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:35:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:35:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:35:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:35:59,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211848878] [2020-10-27 06:35:59,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:35:59,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:35:59,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313114401] [2020-10-27 06:35:59,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:35:59,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:35:59,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:35:59,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:35:59,036 INFO L87 Difference]: Start difference. First operand 939 states and 1191 transitions. Second operand 12 states. [2020-10-27 06:35:59,226 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:36:00,221 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:36:00,376 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:36:00,546 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:36:00,707 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:36:03,570 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:36:03,717 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:36:03,875 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 06:36:04,098 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:36:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:36:06,035 INFO L93 Difference]: Finished difference Result 3615 states and 4908 transitions. [2020-10-27 06:36:06,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:36:06,035 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-10-27 06:36:06,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:36:06,052 INFO L225 Difference]: With dead ends: 3615 [2020-10-27 06:36:06,053 INFO L226 Difference]: Without dead ends: 2699 [2020-10-27 06:36:06,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-27 06:36:06,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2020-10-27 06:36:06,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 1941. [2020-10-27 06:36:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2020-10-27 06:36:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2447 transitions. [2020-10-27 06:36:06,330 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2447 transitions. Word has length 134 [2020-10-27 06:36:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:36:06,330 INFO L481 AbstractCegarLoop]: Abstraction has 1941 states and 2447 transitions. [2020-10-27 06:36:06,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:36:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2447 transitions. [2020-10-27 06:36:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:36:06,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:36:06,333 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] [2020-10-27 06:36:06,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:36:06,333 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:36:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:36:06,333 INFO L82 PathProgramCache]: Analyzing trace with hash 908249242, now seen corresponding path program 1 times [2020-10-27 06:36:06,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:36:06,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130289572] [2020-10-27 06:36:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:36:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:06,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:06,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:06,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:07,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:10,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:36:11,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:36:11,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:36:11,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:36:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:36:11,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 06:36:11,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:11,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:36:11,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:36:11,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:36:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:11,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:36:11,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:36:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:36:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:36:11,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:36:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:36:11,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:36:11,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:36:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:36:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:11,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:36:11,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:36:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:36:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:36:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:36:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:11,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:36:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 06:36:11,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:36:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:36:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:36:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:11,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:11,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:11,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:36:11,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:11,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:11,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:11,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:11,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:11,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:11,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:11,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:36:11,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:36:11,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:11,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:36:11,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:36:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:11,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:36:11,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:36:11,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:11,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:36:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:11,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:11,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:11,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:11,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:36:11,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:11,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:36:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:36:11,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130289572] [2020-10-27 06:36:11,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:36:11,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:36:11,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814032286] [2020-10-27 06:36:11,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:36:11,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:36:11,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:36:11,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:36:11,884 INFO L87 Difference]: Start difference. First operand 1941 states and 2447 transitions. Second operand 13 states. [2020-10-27 06:36:13,074 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:36:13,236 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-27 06:36:13,474 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:36:13,721 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:36:16,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:36:16,871 INFO L93 Difference]: Finished difference Result 4655 states and 6183 transitions. [2020-10-27 06:36:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:36:16,871 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-27 06:36:16,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:36:16,888 INFO L225 Difference]: With dead ends: 4655 [2020-10-27 06:36:16,889 INFO L226 Difference]: Without dead ends: 2737 [2020-10-27 06:36:16,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:36:16,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2020-10-27 06:36:17,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2021. [2020-10-27 06:36:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states. [2020-10-27 06:36:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2513 transitions. [2020-10-27 06:36:17,185 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2513 transitions. Word has length 134 [2020-10-27 06:36:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:36:17,186 INFO L481 AbstractCegarLoop]: Abstraction has 2021 states and 2513 transitions. [2020-10-27 06:36:17,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:36:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2513 transitions. [2020-10-27 06:36:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:36:17,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:36:17,188 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] [2020-10-27 06:36:17,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:36:17,188 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:36:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:36:17,189 INFO L82 PathProgramCache]: Analyzing trace with hash 925735958, now seen corresponding path program 1 times [2020-10-27 06:36:17,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:36:17,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575290718] [2020-10-27 06:36:17,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:36:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:17,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:17,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:17,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:17,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:17,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:18,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:18,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:18,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:36:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:36:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 06:36:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,365 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:36:22,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:22,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:36:22,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:36:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:36:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:22,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:36:22,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:36:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:36:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:36:22,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:36:22,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:36:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:36:22,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:36:22,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:36:22,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:36:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:22,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:36:22,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:36:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:36:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:36:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:36:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:22,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:36:22,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 06:36:22,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:22,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:22,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:36:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:36:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:22,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:22,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:22,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:36:22,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575290718] [2020-10-27 06:36:22,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:36:22,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:36:22,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76459810] [2020-10-27 06:36:22,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:36:22,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:36:22,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:36:22,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:36:22,665 INFO L87 Difference]: Start difference. First operand 2021 states and 2513 transitions. Second operand 9 states. [2020-10-27 06:36:22,801 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:36:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:36:25,773 INFO L93 Difference]: Finished difference Result 4703 states and 6052 transitions. [2020-10-27 06:36:25,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:36:25,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 134 [2020-10-27 06:36:25,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:36:25,794 INFO L225 Difference]: With dead ends: 4703 [2020-10-27 06:36:25,794 INFO L226 Difference]: Without dead ends: 2705 [2020-10-27 06:36:25,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:36:25,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2020-10-27 06:36:26,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2021. [2020-10-27 06:36:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states. [2020-10-27 06:36:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2499 transitions. [2020-10-27 06:36:26,117 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2499 transitions. Word has length 134 [2020-10-27 06:36:26,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:36:26,117 INFO L481 AbstractCegarLoop]: Abstraction has 2021 states and 2499 transitions. [2020-10-27 06:36:26,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:36:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2499 transitions. [2020-10-27 06:36:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 06:36:26,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:36:26,121 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] [2020-10-27 06:36:26,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:36:26,121 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:36:26,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:36:26,122 INFO L82 PathProgramCache]: Analyzing trace with hash 834859478, now seen corresponding path program 1 times [2020-10-27 06:36:26,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:36:26,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007245305] [2020-10-27 06:36:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:36:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:26,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:26,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:26,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:26,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:26,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:27,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:29,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:29,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 06:36:29,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:36:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3591 [2020-10-27 06:36:29,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:36:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:36:29,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-27 06:36:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:29,898 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:36:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:29,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:29,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:36:29,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:36:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:36:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:29,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:36:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:29,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:36:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:36:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:29,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:36:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:29,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:29,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:36:29,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:36:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:30,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:36:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:36:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:36:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 06:36:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:30,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:30,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:30,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:30,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:30,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:30,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:30,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:30,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:36:30,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:36:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:36:30,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:36:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:36:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:30,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:30,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:36:30,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:36:30,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007245305] [2020-10-27 06:36:30,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:36:30,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 06:36:30,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075146915] [2020-10-27 06:36:30,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 06:36:30,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:36:30,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 06:36:30,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 06:36:30,133 INFO L87 Difference]: Start difference. First operand 2021 states and 2499 transitions. Second operand 7 states. [2020-10-27 06:36:30,261 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:36:34,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:36:34,507 INFO L93 Difference]: Finished difference Result 7242 states and 9419 transitions. [2020-10-27 06:36:34,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 06:36:34,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-10-27 06:36:34,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:36:34,539 INFO L225 Difference]: With dead ends: 7242 [2020-10-27 06:36:34,539 INFO L226 Difference]: Without dead ends: 5245 [2020-10-27 06:36:34,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:36:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5245 states. [2020-10-27 06:36:35,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5245 to 4113. [2020-10-27 06:36:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4113 states. [2020-10-27 06:36:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 5129 transitions. [2020-10-27 06:36:35,212 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 5129 transitions. Word has length 134 [2020-10-27 06:36:35,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:36:35,213 INFO L481 AbstractCegarLoop]: Abstraction has 4113 states and 5129 transitions. [2020-10-27 06:36:35,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 06:36:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 5129 transitions. [2020-10-27 06:36:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:36:35,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:36:35,220 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:36:35,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:36:35,220 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:36:35,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:36:35,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1664899047, now seen corresponding path program 1 times [2020-10-27 06:36:35,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:36:35,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266541767] [2020-10-27 06:36:35,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:36:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:35,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:35,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:36,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:37,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:36:40,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 06:36:40,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:36:40,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:36:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:36:40,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 06:36:40,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,445 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:36:40,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:40,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:36:40,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:36:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:36:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:36:40,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:36:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:36:40,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:36:40,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:36:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:36:40,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:36:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:36:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:36:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:40,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:36:40,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 06:36:40,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:40,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:36:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:36:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:36:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:40,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:40,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:36:40,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:36:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:36:40,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:36:40,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 06:36:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 06:36:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:36:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 06:36:40,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:36:40,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:36:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:36:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:36:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:36:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:40,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:36:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:36:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:40,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:40,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:40,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:36:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 06:36:40,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266541767] [2020-10-27 06:36:40,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:36:40,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:36:40,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709783633] [2020-10-27 06:36:40,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:36:40,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:36:40,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:36:40,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:36:40,875 INFO L87 Difference]: Start difference. First operand 4113 states and 5129 transitions. Second operand 10 states. [2020-10-27 06:36:41,026 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:36:42,586 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:36:47,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:36:47,478 INFO L93 Difference]: Finished difference Result 13488 states and 17687 transitions. [2020-10-27 06:36:47,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:36:47,478 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-10-27 06:36:47,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:36:47,548 INFO L225 Difference]: With dead ends: 13488 [2020-10-27 06:36:47,548 INFO L226 Difference]: Without dead ends: 9399 [2020-10-27 06:36:47,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:36:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9399 states. [2020-10-27 06:36:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9399 to 7481. [2020-10-27 06:36:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7481 states. [2020-10-27 06:36:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7481 states to 7481 states and 9427 transitions. [2020-10-27 06:36:48,831 INFO L78 Accepts]: Start accepts. Automaton has 7481 states and 9427 transitions. Word has length 218 [2020-10-27 06:36:48,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:36:48,832 INFO L481 AbstractCegarLoop]: Abstraction has 7481 states and 9427 transitions. [2020-10-27 06:36:48,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:36:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7481 states and 9427 transitions. [2020-10-27 06:36:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:36:48,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:36:48,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:36:48,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:36:48,842 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:36:48,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:36:48,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1714233942, now seen corresponding path program 1 times [2020-10-27 06:36:48,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:36:48,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221336788] [2020-10-27 06:36:48,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:36:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:48,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:48,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:49,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:53,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:36:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:54,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:36:54,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:36:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:36:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:36:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:36:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:36:54,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:54,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:36:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:36:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:36:54,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:36:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:36:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:36:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:36:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:36:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:36:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:36:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:36:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 06:36:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:36:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:36:54,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:36:54,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:36:54,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:36:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:36:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:36:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:36:54,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:36:54,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:36:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:36:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:36:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:36:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:36:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:36:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:36:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:36:54,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:36:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:36:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:54,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:54,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:36:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:36:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:36:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:36:54,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221336788] [2020-10-27 06:36:54,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:36:54,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:36:54,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375706461] [2020-10-27 06:36:54,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:36:54,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:36:54,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:36:54,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:36:54,381 INFO L87 Difference]: Start difference. First operand 7481 states and 9427 transitions. Second operand 10 states. [2020-10-27 06:36:54,572 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:36:58,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:36:58,135 INFO L93 Difference]: Finished difference Result 16837 states and 21711 transitions. [2020-10-27 06:36:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 06:36:58,135 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-10-27 06:36:58,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:36:58,179 INFO L225 Difference]: With dead ends: 16837 [2020-10-27 06:36:58,179 INFO L226 Difference]: Without dead ends: 9379 [2020-10-27 06:36:58,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-27 06:36:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9379 states. [2020-10-27 06:36:59,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9379 to 7481. [2020-10-27 06:36:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7481 states. [2020-10-27 06:36:59,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7481 states to 7481 states and 9371 transitions. [2020-10-27 06:36:59,151 INFO L78 Accepts]: Start accepts. Automaton has 7481 states and 9371 transitions. Word has length 218 [2020-10-27 06:36:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:36:59,151 INFO L481 AbstractCegarLoop]: Abstraction has 7481 states and 9371 transitions. [2020-10-27 06:36:59,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:36:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7481 states and 9371 transitions. [2020-10-27 06:36:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:36:59,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:36:59,161 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:36:59,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:36:59,161 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:36:59,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:36:59,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1923595414, now seen corresponding path program 1 times [2020-10-27 06:36:59,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:36:59,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539002968] [2020-10-27 06:36:59,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:36:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:36:59,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:59,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:59,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:36:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:00,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:00,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 06:37:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:37:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:04,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:04,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:04,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:37:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:37:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:04,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:37:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:37:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:37:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:04,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:37:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:37:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:37:04,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:37:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:37:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:04,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:04,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:04,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:04,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:37:04,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539002968] [2020-10-27 06:37:04,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:04,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:37:04,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659649024] [2020-10-27 06:37:04,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:37:04,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:04,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:37:04,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:37:04,709 INFO L87 Difference]: Start difference. First operand 7481 states and 9371 transitions. Second operand 10 states. [2020-10-27 06:37:04,854 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:37:08,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:08,401 INFO L93 Difference]: Finished difference Result 16837 states and 21567 transitions. [2020-10-27 06:37:08,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 06:37:08,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-10-27 06:37:08,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:08,441 INFO L225 Difference]: With dead ends: 16837 [2020-10-27 06:37:08,441 INFO L226 Difference]: Without dead ends: 9379 [2020-10-27 06:37:08,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-27 06:37:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9379 states. [2020-10-27 06:37:09,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9379 to 7481. [2020-10-27 06:37:09,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7481 states. [2020-10-27 06:37:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7481 states to 7481 states and 9315 transitions. [2020-10-27 06:37:09,410 INFO L78 Accepts]: Start accepts. Automaton has 7481 states and 9315 transitions. Word has length 218 [2020-10-27 06:37:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:09,410 INFO L481 AbstractCegarLoop]: Abstraction has 7481 states and 9315 transitions. [2020-10-27 06:37:09,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:37:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7481 states and 9315 transitions. [2020-10-27 06:37:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:37:09,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:09,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:37:09,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:37:09,417 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:09,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:09,417 INFO L82 PathProgramCache]: Analyzing trace with hash 176133546, now seen corresponding path program 1 times [2020-10-27 06:37:09,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:09,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180255513] [2020-10-27 06:37:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:09,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:10,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 06:37:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,574 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:37:14,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:14,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:14,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:14,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:14,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:14,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:14,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:14,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:37:14,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:37:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:14,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:37:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:14,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:14,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 06:37:14,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:37:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:14,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:14,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:37:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:37:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:14,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:37:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:37:14,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:14,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:37:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:37:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:37:14,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:14,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:14,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:14,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:14,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:37:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:14,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:14,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:14,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:14,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:14,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:14,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:37:14,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180255513] [2020-10-27 06:37:14,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:14,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:37:14,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813429876] [2020-10-27 06:37:14,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:37:14,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:14,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:37:14,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:37:14,895 INFO L87 Difference]: Start difference. First operand 7481 states and 9315 transitions. Second operand 10 states. [2020-10-27 06:37:15,036 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:37:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:18,805 INFO L93 Difference]: Finished difference Result 18045 states and 23335 transitions. [2020-10-27 06:37:18,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:37:18,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-10-27 06:37:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:18,843 INFO L225 Difference]: With dead ends: 18045 [2020-10-27 06:37:18,844 INFO L226 Difference]: Without dead ends: 10587 [2020-10-27 06:37:18,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-27 06:37:18,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10587 states. [2020-10-27 06:37:19,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10587 to 8401. [2020-10-27 06:37:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8401 states. [2020-10-27 06:37:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8401 states to 8401 states and 10195 transitions. [2020-10-27 06:37:19,902 INFO L78 Accepts]: Start accepts. Automaton has 8401 states and 10195 transitions. Word has length 218 [2020-10-27 06:37:19,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:19,903 INFO L481 AbstractCegarLoop]: Abstraction has 8401 states and 10195 transitions. [2020-10-27 06:37:19,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:37:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 8401 states and 10195 transitions. [2020-10-27 06:37:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:37:19,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:19,910 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:37:19,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 06:37:19,911 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:19,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:19,911 INFO L82 PathProgramCache]: Analyzing trace with hash 2084382698, now seen corresponding path program 1 times [2020-10-27 06:37:19,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:19,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190852464] [2020-10-27 06:37:19,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:19,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:20,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:20,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:37:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:37:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 06:37:24,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:37:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-27 06:37:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,070 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:37:25,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:25,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:37:25,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:25,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:25,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:25,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:25,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:25,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:25,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:25,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:37:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:37:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:25,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:37:25,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:25,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:25,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:25,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:37:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 06:37:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:25,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:37:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:37:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:37:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:37:25,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:25,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:37:25,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:37:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:25,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:25,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:25,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:25,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:37:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:25,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:25,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:25,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:25,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:25,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:37:25,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190852464] [2020-10-27 06:37:25,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:25,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:37:25,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054390672] [2020-10-27 06:37:25,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:37:25,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:25,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:37:25,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:37:25,482 INFO L87 Difference]: Start difference. First operand 8401 states and 10195 transitions. Second operand 11 states. [2020-10-27 06:37:25,637 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:37:27,770 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:37:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:30,115 INFO L93 Difference]: Finished difference Result 20377 states and 25521 transitions. [2020-10-27 06:37:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 06:37:30,115 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-27 06:37:30,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:30,153 INFO L225 Difference]: With dead ends: 20377 [2020-10-27 06:37:30,154 INFO L226 Difference]: Without dead ends: 11999 [2020-10-27 06:37:30,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2020-10-27 06:37:30,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11999 states. [2020-10-27 06:37:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11999 to 9717. [2020-10-27 06:37:31,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9717 states. [2020-10-27 06:37:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9717 states to 9717 states and 11863 transitions. [2020-10-27 06:37:31,338 INFO L78 Accepts]: Start accepts. Automaton has 9717 states and 11863 transitions. Word has length 218 [2020-10-27 06:37:31,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:31,339 INFO L481 AbstractCegarLoop]: Abstraction has 9717 states and 11863 transitions. [2020-10-27 06:37:31,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:37:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 9717 states and 11863 transitions. [2020-10-27 06:37:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:37:31,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:31,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:37:31,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 06:37:31,346 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:31,347 INFO L82 PathProgramCache]: Analyzing trace with hash 437019756, now seen corresponding path program 1 times [2020-10-27 06:37:31,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:31,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890136133] [2020-10-27 06:37:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:31,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:31,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:31,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:31,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:37:36,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:37:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:37:36,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:36,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:37:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,521 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:37:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:36,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:36,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:36,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:36,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:37:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:37:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:36,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:37:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:37:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:36,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:36,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:37:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:37:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:36,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:37:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:37:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:37:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:36,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:36,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:36,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:36,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:36,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:37:36,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890136133] [2020-10-27 06:37:36,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:36,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:37:36,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49777034] [2020-10-27 06:37:36,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:37:36,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:36,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:37:36,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:37:36,861 INFO L87 Difference]: Start difference. First operand 9717 states and 11863 transitions. Second operand 10 states. [2020-10-27 06:37:37,010 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:37:41,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:41,489 INFO L93 Difference]: Finished difference Result 21173 states and 26695 transitions. [2020-10-27 06:37:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:37:41,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2020-10-27 06:37:41,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:41,536 INFO L225 Difference]: With dead ends: 21173 [2020-10-27 06:37:41,536 INFO L226 Difference]: Without dead ends: 11479 [2020-10-27 06:37:41,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-27 06:37:41,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11479 states. [2020-10-27 06:37:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11479 to 9897. [2020-10-27 06:37:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9897 states. [2020-10-27 06:37:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9897 states to 9897 states and 11953 transitions. [2020-10-27 06:37:43,075 INFO L78 Accepts]: Start accepts. Automaton has 9897 states and 11953 transitions. Word has length 218 [2020-10-27 06:37:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:43,075 INFO L481 AbstractCegarLoop]: Abstraction has 9897 states and 11953 transitions. [2020-10-27 06:37:43,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:37:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 9897 states and 11953 transitions. [2020-10-27 06:37:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:37:43,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:43,083 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:37:43,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 06:37:43,083 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:43,083 INFO L82 PathProgramCache]: Analyzing trace with hash -536798676, now seen corresponding path program 1 times [2020-10-27 06:37:43,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:43,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314003031] [2020-10-27 06:37:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:43,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:43,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:43,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:43,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:37:48,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:37:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:37:48,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:37:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:37:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-27 06:37:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,256 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:37:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:37:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:48,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:37:48,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:48,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:37:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:37:48,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:37:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:48,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:37:48,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:37:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 06:37:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:37:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:37:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:37:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:37:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:37:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:37:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:37:48,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:48,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:48,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:48,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:48,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:37:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:48,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:37:48,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314003031] [2020-10-27 06:37:48,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:48,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:37:48,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754504634] [2020-10-27 06:37:48,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:37:48,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:48,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:37:48,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:37:48,620 INFO L87 Difference]: Start difference. First operand 9897 states and 11953 transitions. Second operand 11 states. [2020-10-27 06:37:48,774 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:37:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:37:52,745 INFO L93 Difference]: Finished difference Result 21055 states and 25683 transitions. [2020-10-27 06:37:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 06:37:52,746 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-27 06:37:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:37:52,781 INFO L225 Difference]: With dead ends: 21055 [2020-10-27 06:37:52,781 INFO L226 Difference]: Without dead ends: 11181 [2020-10-27 06:37:52,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:37:52,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11181 states. [2020-10-27 06:37:53,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11181 to 9897. [2020-10-27 06:37:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9897 states. [2020-10-27 06:37:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9897 states to 9897 states and 11888 transitions. [2020-10-27 06:37:54,010 INFO L78 Accepts]: Start accepts. Automaton has 9897 states and 11888 transitions. Word has length 218 [2020-10-27 06:37:54,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:37:54,011 INFO L481 AbstractCegarLoop]: Abstraction has 9897 states and 11888 transitions. [2020-10-27 06:37:54,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:37:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 9897 states and 11888 transitions. [2020-10-27 06:37:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:37:54,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:37:54,018 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:37:54,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 06:37:54,018 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:37:54,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:37:54,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1818970962, now seen corresponding path program 1 times [2020-10-27 06:37:54,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:37:54,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313130340] [2020-10-27 06:37:54,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:37:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:54,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:54,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:54,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:54,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:54,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:54,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:55,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 06:37:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,207 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:37:59,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:59,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:37:59,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:37:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:37:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:37:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:37:59,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:37:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:37:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:37:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 06:37:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:37:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:37:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:37:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:37:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:37:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 06:37:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:37:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 06:37:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:37:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 06:37:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:37:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:37:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:37:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:37:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:37:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:37:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:37:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:37:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:37:59,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:37:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:37:59,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:37:59,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:37:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:37:59,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:37:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:37:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:37:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:37:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:37:59,631 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-27 06:37:59,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313130340] [2020-10-27 06:37:59,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:37:59,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:37:59,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043982567] [2020-10-27 06:37:59,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:37:59,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:37:59,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:37:59,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:37:59,633 INFO L87 Difference]: Start difference. First operand 9897 states and 11888 transitions. Second operand 9 states. [2020-10-27 06:37:59,786 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:38:00,004 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 06:38:08,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:08,605 INFO L93 Difference]: Finished difference Result 32564 states and 41759 transitions. [2020-10-27 06:38:08,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 06:38:08,606 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-27 06:38:08,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:08,691 INFO L225 Difference]: With dead ends: 32564 [2020-10-27 06:38:08,691 INFO L226 Difference]: Without dead ends: 22692 [2020-10-27 06:38:08,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-27 06:38:08,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22692 states. [2020-10-27 06:38:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22692 to 19860. [2020-10-27 06:38:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19860 states. [2020-10-27 06:38:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19860 states to 19860 states and 24668 transitions. [2020-10-27 06:38:11,585 INFO L78 Accepts]: Start accepts. Automaton has 19860 states and 24668 transitions. Word has length 218 [2020-10-27 06:38:11,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:11,586 INFO L481 AbstractCegarLoop]: Abstraction has 19860 states and 24668 transitions. [2020-10-27 06:38:11,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:38:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 19860 states and 24668 transitions. [2020-10-27 06:38:11,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:38:11,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:11,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:38:11,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 06:38:11,599 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:11,599 INFO L82 PathProgramCache]: Analyzing trace with hash 508191408, now seen corresponding path program 1 times [2020-10-27 06:38:11,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:11,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41516592] [2020-10-27 06:38:11,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:11,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:11,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:12,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:13,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:13,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:14,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-27 06:38:16,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:38:16,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:38:16,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:38:16,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:38:16,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,764 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:38:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:16,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:16,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:16,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:38:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:38:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:38:16,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:16,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:38:16,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 06:38:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:38:16,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:38:16,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-27 06:38:16,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:16,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:16,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:16,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 06:38:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:38:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 06:38:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:16,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:16,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:38:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:16,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:16,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 06:38:16,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:16,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:38:16,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:38:16,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:16,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:16,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 06:38:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 06:38:17,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:38:17,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:17,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:17,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:17,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:17,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:17,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:17,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:38:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:17,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:17,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:17,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:17,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:17,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:17,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-27 06:38:17,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41516592] [2020-10-27 06:38:17,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:17,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:38:17,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886145687] [2020-10-27 06:38:17,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:38:17,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:17,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:38:17,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:38:17,127 INFO L87 Difference]: Start difference. First operand 19860 states and 24668 transitions. Second operand 9 states. [2020-10-27 06:38:17,264 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:38:17,461 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:38:21,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:21,786 INFO L93 Difference]: Finished difference Result 37310 states and 47001 transitions. [2020-10-27 06:38:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 06:38:21,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-27 06:38:21,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:21,857 INFO L225 Difference]: With dead ends: 37310 [2020-10-27 06:38:21,858 INFO L226 Difference]: Without dead ends: 17475 [2020-10-27 06:38:21,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-27 06:38:21,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17475 states. [2020-10-27 06:38:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17475 to 15379. [2020-10-27 06:38:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15379 states. [2020-10-27 06:38:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15379 states to 15379 states and 19215 transitions. [2020-10-27 06:38:24,340 INFO L78 Accepts]: Start accepts. Automaton has 15379 states and 19215 transitions. Word has length 218 [2020-10-27 06:38:24,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:24,341 INFO L481 AbstractCegarLoop]: Abstraction has 15379 states and 19215 transitions. [2020-10-27 06:38:24,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:38:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 15379 states and 19215 transitions. [2020-10-27 06:38:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-27 06:38:24,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:24,347 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:38:24,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 06:38:24,348 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:24,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:24,348 INFO L82 PathProgramCache]: Analyzing trace with hash -2043415503, now seen corresponding path program 1 times [2020-10-27 06:38:24,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:24,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488508621] [2020-10-27 06:38:24,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:24,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:24,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking...