/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:38:59,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:38:59,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:39:00,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:39:00,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:39:00,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:39:00,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:39:00,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:39:00,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:39:00,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:39:00,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:39:00,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:39:00,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:39:00,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:39:00,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:39:00,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:39:00,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:39:00,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:39:00,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:39:00,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:39:00,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:39:00,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:39:00,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:39:00,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:39:00,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:39:00,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:39:00,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:39:00,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:39:00,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:39:00,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:39:00,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:39:00,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:39:00,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:39:00,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:39:00,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:39:00,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:39:00,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:39:00,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:39:00,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:39:00,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:39:00,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:39:00,112 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 [2020-10-29 14:39:00,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:39:00,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:39:00,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:39:00,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:39:00,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:39:00,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:39:00,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:39:00,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:39:00,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:39:00,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:39:00,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:39:00,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:39:00,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:39:00,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:39:00,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:39:00,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:39:00,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:39:00,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:39:00,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:39:00,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:39:00,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:39:00,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:39:00,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:39:00,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:39:00,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:39:00,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:39:00,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:39:00,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:39:00,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:39:00,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:39:00,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:39:00,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:39:00,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:39:00,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:39:00,604 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:39:00,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-29 14:39:00,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a76191986/87f11233878c43f2bd0279645bd6356c/FLAG47875da42 [2020-10-29 14:39:01,522 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:39:01,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-29 14:39:01,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a76191986/87f11233878c43f2bd0279645bd6356c/FLAG47875da42 [2020-10-29 14:39:01,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a76191986/87f11233878c43f2bd0279645bd6356c [2020-10-29 14:39:01,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:39:01,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:39:01,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:39:01,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:39:01,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:39:01,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:39:01" (1/1) ... [2020-10-29 14:39:01,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139b64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:01, skipping insertion in model container [2020-10-29 14:39:01,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:39:01" (1/1) ... [2020-10-29 14:39:01,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:39:01,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:39:02,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:39:02,327 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:39:02,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:39:02,531 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:39:02,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02 WrapperNode [2020-10-29 14:39:02,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:39:02,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:39:02,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:39:02,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:39:02,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (1/1) ... [2020-10-29 14:39:02,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:39:02,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:39:02,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:39:02,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:39:02,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (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 [2020-10-29 14:39:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:39:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:39:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:39:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:39:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-29 14:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-29 14:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-29 14:39:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-29 14:39:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-29 14:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-29 14:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-29 14:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:39:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:39:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-29 14:39:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-29 14:39:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-29 14:39:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-29 14:39:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:39:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:39:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:39:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:39:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-29 14:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-29 14:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-29 14:39:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-29 14:39:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-29 14:39:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-29 14:39:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-29 14:39:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:39:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:39:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:39:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:39:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-29 14:39:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-29 14:39:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-29 14:39:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-29 14:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-29 14:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-29 14:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-29 14:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:39:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:39:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:39:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:39:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:39:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:39:04,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:39:04,032 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-29 14:39:04,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:39:04 BoogieIcfgContainer [2020-10-29 14:39:04,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:39:04,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:39:04,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:39:04,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:39:04,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:39:01" (1/3) ... [2020-10-29 14:39:04,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52788a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:39:04, skipping insertion in model container [2020-10-29 14:39:04,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:39:02" (2/3) ... [2020-10-29 14:39:04,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52788a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:39:04, skipping insertion in model container [2020-10-29 14:39:04,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:39:04" (3/3) ... [2020-10-29 14:39:04,046 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-2.c [2020-10-29 14:39:04,057 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:39:04,062 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:39:04,076 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:39:04,108 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:39:04,108 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:39:04,108 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:39:04,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:39:04,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:39:04,108 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:39:04,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:39:04,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:39:04,138 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-10-29 14:39:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:39:04,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:04,158 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:04,158 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:04,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:04,165 INFO L82 PathProgramCache]: Analyzing trace with hash -38851422, now seen corresponding path program 1 times [2020-10-29 14:39:04,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:04,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378890159] [2020-10-29 14:39:04,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:04,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:04,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:04,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:05,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:06,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:07,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:07,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:07,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:07,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:09,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:09,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:39:09,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 14:39:09,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-29 14:39:09,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:09,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-29 14:39:09,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-29 14:39:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:39:10,035 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:39:10,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:10,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:10,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:10,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:10,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:10,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:10,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:10,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:10,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:10,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:10,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:10,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:10,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:10,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:10,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:39:10,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:10,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:39:10,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:10,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:10,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:39:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:10,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:39:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 14:39:10,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:10,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:39:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:39:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:10,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:10,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:39:12,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:39:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2322 [2020-10-29 14:39:12,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:12,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 14:39:12,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:12,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:39:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:12,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:12,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:39:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:12,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:39:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:12,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:39:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:39:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:12,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:12,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:39:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:39:12,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 14:39:12,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:39:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:39:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 14:39:12,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:39:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:12,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:12,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:12,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:12,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:12,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:12,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:12,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:12,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:12,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378890159] [2020-10-29 14:39:12,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:12,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:39:12,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389428844] [2020-10-29 14:39:12,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:39:12,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:12,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:39:12,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:39:12,986 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 9 states. [2020-10-29 14:39:14,607 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:39:17,272 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 14:39:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:25,978 INFO L93 Difference]: Finished difference Result 1590 states and 2607 transitions. [2020-10-29 14:39:25,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 14:39:25,981 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-29 14:39:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:26,016 INFO L225 Difference]: With dead ends: 1590 [2020-10-29 14:39:26,017 INFO L226 Difference]: Without dead ends: 1231 [2020-10-29 14:39:26,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-10-29 14:39:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2020-10-29 14:39:26,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 790. [2020-10-29 14:39:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-29 14:39:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1146 transitions. [2020-10-29 14:39:26,317 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1146 transitions. Word has length 177 [2020-10-29 14:39:26,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:26,319 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1146 transitions. [2020-10-29 14:39:26,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:39:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1146 transitions. [2020-10-29 14:39:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:39:26,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:26,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:26,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:39:26,326 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:26,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:26,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1806515744, now seen corresponding path program 1 times [2020-10-29 14:39:26,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:26,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841178273] [2020-10-29 14:39:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:26,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:26,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:26,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:26,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:27,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:29,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:31,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:39:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-29 14:39:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-29 14:39:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:31,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:39:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-29 14:39:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:31,757 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:39:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:31,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:31,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:31,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 14:39:31,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:31,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:31,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:31,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:31,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:31,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:31,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:39:31,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:31,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:31,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:31,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:31,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:31,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:31,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:31,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:31,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:31,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:31,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:31,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:31,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:31,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:39:31,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:31,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:39:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:31,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:39:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:31,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:31,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:39:31,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 14:39:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:39:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:31,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:31,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:32,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:39:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:39:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1557 [2020-10-29 14:39:33,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-29 14:39:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:39:33,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:39:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:39:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 14:39:33,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:39:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:39:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:33,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:33,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:39:33,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:39:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:39:33,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:33,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:39:33,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:39:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:33,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:33,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:33,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:33,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:33,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841178273] [2020-10-29 14:39:33,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:33,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:39:33,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649115990] [2020-10-29 14:39:33,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:39:33,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:33,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:39:33,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:39:33,699 INFO L87 Difference]: Start difference. First operand 790 states and 1146 transitions. Second operand 8 states. [2020-10-29 14:39:33,991 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:39:37,301 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:39:43,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:39:43,465 INFO L93 Difference]: Finished difference Result 3113 states and 4787 transitions. [2020-10-29 14:39:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:39:43,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-29 14:39:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:39:43,492 INFO L225 Difference]: With dead ends: 3113 [2020-10-29 14:39:43,492 INFO L226 Difference]: Without dead ends: 2351 [2020-10-29 14:39:43,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:39:43,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2020-10-29 14:39:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 1582. [2020-10-29 14:39:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-10-29 14:39:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2308 transitions. [2020-10-29 14:39:43,778 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2308 transitions. Word has length 177 [2020-10-29 14:39:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:39:43,779 INFO L481 AbstractCegarLoop]: Abstraction has 1582 states and 2308 transitions. [2020-10-29 14:39:43,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:39:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2308 transitions. [2020-10-29 14:39:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:39:43,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:39:43,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:39:43,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:39:43,784 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:39:43,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:39:43,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1532737249, now seen corresponding path program 1 times [2020-10-29 14:39:43,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:39:43,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75951021] [2020-10-29 14:39:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:39:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:43,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:43,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:43,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:44,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:47,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:48,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:48,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:39:48,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 14:39:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-29 14:39:48,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:48,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:39:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:39:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 14:39:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,125 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:39:49,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:39:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:39:49,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:39:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:39:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:39:49,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:39:49,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:39:49,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:39:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:39:49,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:39:49,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:39:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:39:49,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:39:49,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:39:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:39:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:39:49,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:39:49,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 14:39:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:39:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:39:49,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:39:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-29 14:39:49,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 14:39:49,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 14:39:49,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:39:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:49,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:39:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:49,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:49,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:39:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:49,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:49,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:39:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:49,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:39:49,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:49,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:39:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:49,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:49,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:49,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:39:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:49,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:49,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:49,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:49,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:49,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:49,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:39:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:49,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:50,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:50,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:50,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:50,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:50,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:50,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:50,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:39:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:50,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:50,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:50,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:50,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:39:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:39:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:50,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:50,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:39:50,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:50,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:39:50,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:50,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:39:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:39:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:39:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:50,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:39:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:50,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:50,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:39:50,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:50,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:39:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:39:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:39:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:39:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:39:50,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:39:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:39:50,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:39:50,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:39:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:39:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:39:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:39:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:39:50,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:39:50,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75951021] [2020-10-29 14:39:50,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:39:50,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:39:50,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726317561] [2020-10-29 14:39:50,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:39:50,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:39:50,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:39:50,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:39:50,105 INFO L87 Difference]: Start difference. First operand 1582 states and 2308 transitions. Second operand 8 states. [2020-10-29 14:39:50,444 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:39:54,399 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:40:02,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:02,465 INFO L93 Difference]: Finished difference Result 6148 states and 9483 transitions. [2020-10-29 14:40:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:40:02,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-29 14:40:02,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:02,496 INFO L225 Difference]: With dead ends: 6148 [2020-10-29 14:40:02,497 INFO L226 Difference]: Without dead ends: 4594 [2020-10-29 14:40:02,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:40:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2020-10-29 14:40:03,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 3155. [2020-10-29 14:40:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-10-29 14:40:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4613 transitions. [2020-10-29 14:40:03,097 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4613 transitions. Word has length 177 [2020-10-29 14:40:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:03,097 INFO L481 AbstractCegarLoop]: Abstraction has 3155 states and 4613 transitions. [2020-10-29 14:40:03,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:40:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4613 transitions. [2020-10-29 14:40:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:40:03,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:03,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:40:03,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:40:03,101 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:03,102 INFO L82 PathProgramCache]: Analyzing trace with hash -942504128, now seen corresponding path program 1 times [2020-10-29 14:40:03,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:03,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139827946] [2020-10-29 14:40:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:03,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:03,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:05,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:06,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:08,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:40:08,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-29 14:40:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:40:08,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:08,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:40:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:40:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-29 14:40:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:08,462 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:40:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:08,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:08,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:08,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 14:40:08,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:08,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:40:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:08,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:08,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:08,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:08,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:40:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:08,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:40:08,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:08,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:08,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:08,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:08,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:08,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:08,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:08,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:08,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:40:08,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:08,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:40:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:08,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:40:08,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:40:08,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:08,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:40:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:08,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:40:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:08,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:08,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:40:08,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:08,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 14:40:08,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:08,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:40:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:40:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 14:40:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:08,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:40:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:08,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:08,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:09,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:40:11,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:40:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2375 [2020-10-29 14:40:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 14:40:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:11,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:11,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:11,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:11,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:40:11,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:40:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:40:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:11,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:40:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:11,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:40:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:11,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:40:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:40:11,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 14:40:11,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:40:11,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:40:11,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 14:40:11,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:11,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:40:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:11,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:11,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:11,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:11,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:11,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:11,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:40:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:40:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:40:11,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139827946] [2020-10-29 14:40:11,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:40:11,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:40:11,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795813193] [2020-10-29 14:40:11,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:40:11,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:40:11,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:40:11,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:40:11,418 INFO L87 Difference]: Start difference. First operand 3155 states and 4613 transitions. Second operand 9 states. [2020-10-29 14:40:11,706 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:40:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:17,835 INFO L93 Difference]: Finished difference Result 7710 states and 11674 transitions. [2020-10-29 14:40:17,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 14:40:17,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-29 14:40:17,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:17,868 INFO L225 Difference]: With dead ends: 7710 [2020-10-29 14:40:17,869 INFO L226 Difference]: Without dead ends: 4581 [2020-10-29 14:40:17,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:40:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2020-10-29 14:40:18,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 3155. [2020-10-29 14:40:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-10-29 14:40:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4585 transitions. [2020-10-29 14:40:18,407 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4585 transitions. Word has length 177 [2020-10-29 14:40:18,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:18,408 INFO L481 AbstractCegarLoop]: Abstraction has 3155 states and 4585 transitions. [2020-10-29 14:40:18,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:40:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4585 transitions. [2020-10-29 14:40:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:40:18,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:18,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:40:18,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:40:18,413 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:18,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:18,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1971863426, now seen corresponding path program 1 times [2020-10-29 14:40:18,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:18,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690606456] [2020-10-29 14:40:18,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:18,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:18,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:18,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:20,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:20,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:21,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:23,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:40:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-29 14:40:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 14:40:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:23,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:40:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:40:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 14:40:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:23,731 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:40:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:23,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:23,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:23,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:40:23,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:23,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:23,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:23,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:23,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:23,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:40:23,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:23,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:23,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:23,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:23,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:23,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:23,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:23,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:23,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:23,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:40:23,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:23,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:40:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:23,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:23,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:40:23,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:40:23,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:23,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:40:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:23,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:40:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:23,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:23,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 14:40:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:40:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:24,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:40:25,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:40:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1559 [2020-10-29 14:40:25,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 14:40:25,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 14:40:25,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:25,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:25,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:40:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:25,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:25,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:25,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:40:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:25,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:25,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:40:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:25,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:40:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:25,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:40:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:40:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:40:25,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:40:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:25,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:25,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:40:25,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690606456] [2020-10-29 14:40:25,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:40:25,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:40:25,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680667834] [2020-10-29 14:40:25,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:40:25,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:40:25,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:40:25,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:40:25,677 INFO L87 Difference]: Start difference. First operand 3155 states and 4585 transitions. Second operand 8 states. [2020-10-29 14:40:25,946 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:40:29,596 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:40:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:38,124 INFO L93 Difference]: Finished difference Result 12141 states and 18684 transitions. [2020-10-29 14:40:38,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:40:38,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-29 14:40:38,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:38,182 INFO L225 Difference]: With dead ends: 12141 [2020-10-29 14:40:38,183 INFO L226 Difference]: Without dead ends: 9014 [2020-10-29 14:40:38,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:40:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9014 states. [2020-10-29 14:40:39,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9014 to 6279. [2020-10-29 14:40:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6279 states. [2020-10-29 14:40:39,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6279 states to 6279 states and 9133 transitions. [2020-10-29 14:40:39,376 INFO L78 Accepts]: Start accepts. Automaton has 6279 states and 9133 transitions. Word has length 177 [2020-10-29 14:40:39,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:40:39,377 INFO L481 AbstractCegarLoop]: Abstraction has 6279 states and 9133 transitions. [2020-10-29 14:40:39,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:40:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 6279 states and 9133 transitions. [2020-10-29 14:40:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:40:39,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:40:39,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:40:39,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:40:39,380 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:40:39,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:40:39,381 INFO L82 PathProgramCache]: Analyzing trace with hash -600801665, now seen corresponding path program 1 times [2020-10-29 14:40:39,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:40:39,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493386275] [2020-10-29 14:40:39,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:40:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:39,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:39,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:39,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:39,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:40,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:40:44,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 14:40:44,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:44,710 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:40:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:40:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:44,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:44,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:40:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:40:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:44,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:44,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:40:44,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:40:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:40:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:44,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:40:44,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:44,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:40:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:44,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:40:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:44,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:40:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:44,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:44,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:40:44,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 14:40:44,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:40:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:44,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:40:45,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:40:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-29 14:40:45,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 14:40:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-29 14:40:45,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:40:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:45,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:45,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:40:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:45,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:40:45,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:40:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:45,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:40:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:40:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:45,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:40:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:40:45,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:40:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:40:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:45,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:40:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:40:45,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:40:45,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:40:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:40:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:40:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:40:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:40:45,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:40:45,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:40:45,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:40:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:40:45,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:40:45,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:40:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:40:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:40:45,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:40:45,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:40:45,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493386275] [2020-10-29 14:40:45,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:40:45,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:40:45,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822672761] [2020-10-29 14:40:45,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:40:45,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:40:45,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:40:45,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:40:45,307 INFO L87 Difference]: Start difference. First operand 6279 states and 9133 transitions. Second operand 8 states. [2020-10-29 14:40:45,601 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:40:45,734 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-29 14:40:49,201 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:40:58,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:40:58,700 INFO L93 Difference]: Finished difference Result 23973 states and 37104 transitions. [2020-10-29 14:40:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:40:58,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-29 14:40:58,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:40:58,789 INFO L225 Difference]: With dead ends: 23973 [2020-10-29 14:40:58,789 INFO L226 Difference]: Without dead ends: 17722 [2020-10-29 14:40:58,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:40:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17722 states. [2020-10-29 14:41:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17722 to 12483. [2020-10-29 14:41:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12483 states. [2020-10-29 14:41:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12483 states to 12483 states and 18173 transitions. [2020-10-29 14:41:00,893 INFO L78 Accepts]: Start accepts. Automaton has 12483 states and 18173 transitions. Word has length 177 [2020-10-29 14:41:00,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:41:00,893 INFO L481 AbstractCegarLoop]: Abstraction has 12483 states and 18173 transitions. [2020-10-29 14:41:00,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:41:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 12483 states and 18173 transitions. [2020-10-29 14:41:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:41:00,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:41:00,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:41:00,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:41:00,897 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:41:00,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:41:00,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1874260382, now seen corresponding path program 1 times [2020-10-29 14:41:00,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:41:00,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646794652] [2020-10-29 14:41:00,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:41:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:00,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:01,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:02,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:05,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:05,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:41:05,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 14:41:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:06,244 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:41:06,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:41:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:06,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:06,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:06,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:06,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:41:06,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:06,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:06,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:06,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:06,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:41:06,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:06,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:41:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:06,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:06,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:06,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:06,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:41:06,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:06,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:41:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:06,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:41:06,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:06,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:41:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:41:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:06,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:41:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:06,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 14:41:06,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:06,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:41:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:06,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1160 [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:41:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 14:41:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:41:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:07,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:41:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:07,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:07,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:41:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:07,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:41:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:41:07,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:41:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:41:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:07,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:07,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:41:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:41:07,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:07,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:41:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:41:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:07,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:07,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:41:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:41:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:41:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:41:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:41:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:41:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:07,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:07,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:41:07,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:41:07,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:07,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:41:07,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:41:07,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646794652] [2020-10-29 14:41:07,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:41:07,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:41:07,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992873954] [2020-10-29 14:41:07,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:41:07,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:41:07,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:41:07,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:41:07,791 INFO L87 Difference]: Start difference. First operand 12483 states and 18173 transitions. Second operand 8 states. [2020-10-29 14:41:08,076 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:41:11,468 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:41:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:41:22,840 INFO L93 Difference]: Finished difference Result 47329 states and 73904 transitions. [2020-10-29 14:41:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:41:22,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-29 14:41:22,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:41:23,053 INFO L225 Difference]: With dead ends: 47329 [2020-10-29 14:41:23,053 INFO L226 Difference]: Without dead ends: 34874 [2020-10-29 14:41:23,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:41:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34874 states. [2020-10-29 14:41:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34874 to 24803. [2020-10-29 14:41:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24803 states. [2020-10-29 14:41:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24803 states to 24803 states and 36177 transitions. [2020-10-29 14:41:26,661 INFO L78 Accepts]: Start accepts. Automaton has 24803 states and 36177 transitions. Word has length 177 [2020-10-29 14:41:26,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:41:26,662 INFO L481 AbstractCegarLoop]: Abstraction has 24803 states and 36177 transitions. [2020-10-29 14:41:26,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:41:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 24803 states and 36177 transitions. [2020-10-29 14:41:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:41:26,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:41:26,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:41:26,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:41:26,665 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:41:26,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:41:26,666 INFO L82 PathProgramCache]: Analyzing trace with hash 5062269, now seen corresponding path program 1 times [2020-10-29 14:41:26,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:41:26,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340002819] [2020-10-29 14:41:26,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:41:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:26,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:26,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:26,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:26,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:27,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:41:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:41:31,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 14:41:31,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:31,998 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:41:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:41:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:32,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 14:41:32,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:41:32,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:41:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:41:32,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:41:32,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:41:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:41:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:41:32,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:41:32,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:41:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:41:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:41:32,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:41:32,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:41:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:32,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:41:32,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:41:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:41:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:41:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 14:41:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:32,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:41:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:32,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:32,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:35,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:35,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:41:35,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:41:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3645 [2020-10-29 14:41:35,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:35,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:41:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 14:41:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:41:35,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:41:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:35,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:35,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:35,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:35,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:35,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:35,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:41:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:35,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:35,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:35,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:41:35,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:41:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:36,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:41:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:36,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:41:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:41:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:41:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:41:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:41:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:41:36,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:41:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:41:36,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:41:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:41:36,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:41:36,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:41:36,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:41:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:41:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:41:36,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340002819] [2020-10-29 14:41:36,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:41:36,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 14:41:36,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567862798] [2020-10-29 14:41:36,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:41:36,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:41:36,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:41:36,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:41:36,105 INFO L87 Difference]: Start difference. First operand 24803 states and 36177 transitions. Second operand 12 states. [2020-10-29 14:41:36,439 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:41:38,010 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 14:41:38,324 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-29 14:41:38,654 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 14:41:39,100 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 14:41:48,156 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 14:41:48,616 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 14:41:49,092 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 14:41:49,499 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 14:41:58,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:41:58,664 INFO L93 Difference]: Finished difference Result 97075 states and 152996 transitions. [2020-10-29 14:41:58,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 14:41:58,664 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 177 [2020-10-29 14:41:58,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:41:59,011 INFO L225 Difference]: With dead ends: 97075 [2020-10-29 14:41:59,012 INFO L226 Difference]: Without dead ends: 72298 [2020-10-29 14:41:59,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-29 14:41:59,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72298 states. [2020-10-29 14:42:06,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72298 to 50339. [2020-10-29 14:42:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50339 states. [2020-10-29 14:42:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50339 states to 50339 states and 73456 transitions. [2020-10-29 14:42:06,183 INFO L78 Accepts]: Start accepts. Automaton has 50339 states and 73456 transitions. Word has length 177 [2020-10-29 14:42:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:42:06,183 INFO L481 AbstractCegarLoop]: Abstraction has 50339 states and 73456 transitions. [2020-10-29 14:42:06,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:42:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 50339 states and 73456 transitions. [2020-10-29 14:42:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:42:06,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:42:06,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:42:06,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:42:06,186 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:42:06,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:42:06,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1657147967, now seen corresponding path program 1 times [2020-10-29 14:42:06,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:42:06,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915696669] [2020-10-29 14:42:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:42:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:06,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:06,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:06,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:06,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:06,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:08,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:09,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 14:42:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:11,516 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-29 14:42:11,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:42:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:11,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:42:11,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:42:11,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:11,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:42:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:11,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:42:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:11,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:42:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:42:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:11,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:11,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:42:11,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:11,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:42:11,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:11,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:11,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:42:11,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:42:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:11,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:42:11,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:42:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:11,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:11,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:42:11,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:11,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 14:42:11,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:11,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:42:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:42:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 14:42:11,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:11,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 14:42:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:11,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 14:42:12,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:42:12,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-29 14:42:12,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:42:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-29 14:42:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:42:12,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:42:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:42:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:42:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:42:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 14:42:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 14:42:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 14:42:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 14:42:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:42:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:42:12,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:42:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:42:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 14:42:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 14:42:12,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:42:12,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 14:42:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:42:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:42:12,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:42:12,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:42:12,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:42:12,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:42:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:42:12,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:42:12,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:42:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:42:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:42:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:42:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:42:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:42:12,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915696669] [2020-10-29 14:42:12,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:42:12,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 14:42:12,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662814179] [2020-10-29 14:42:12,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 14:42:12,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:42:12,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 14:42:12,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:42:12,606 INFO L87 Difference]: Start difference. First operand 50339 states and 73456 transitions. Second operand 14 states. [2020-10-29 14:42:12,950 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-29 14:42:15,314 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-29 14:42:15,642 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-29 14:42:16,094 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 14:42:16,533 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-29 14:42:20,121 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-29 14:42:24,220 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-29 14:42:24,576 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-29 14:42:25,092 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-29 14:42:25,545 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-29 14:42:35,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:42:35,719 INFO L93 Difference]: Finished difference Result 131438 states and 206105 transitions. [2020-10-29 14:42:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 14:42:35,720 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-10-29 14:42:35,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted.