/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.09.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:06:56,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:06:56,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:06:56,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:06:56,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:06:56,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:06:56,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:06:56,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:06:56,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:06:56,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:06:56,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:06:56,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:06:56,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:06:56,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:06:56,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:06:56,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:06:56,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:06:56,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:06:56,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:06:56,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:06:56,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:06:56,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:06:56,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:06:56,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:06:56,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:06:56,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:06:56,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:06:56,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:06:56,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:06:56,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:06:56,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:06:56,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:06:56,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:06:56,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:06:56,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:06:56,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:06:56,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:06:56,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:06:56,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:06:56,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:06:56,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:06:56,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:06:56,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:06:56,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:06:56,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:06:56,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:06:56,885 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:06:56,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:06:56,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:06:56,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:06:56,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:06:56,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:06:56,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:06:56,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:06:56,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:06:56,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:06:56,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:06:56,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:06:56,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:06:56,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:06:56,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:06:56,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:06:56,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:06:56,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:06:56,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:06:56,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:06:56,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:06:56,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:06:56,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:06:56,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:06:56,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:06:56,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:06:57,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:06:57,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:06:57,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:06:57,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:06:57,310 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:06:57,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.09.cil-2.c [2020-10-28 01:06:57,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56ab42a2c/1c921c9d57ae4e49a881840e839c9cbf/FLAGafe8c0e8b [2020-10-28 01:06:58,052 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:06:58,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.09.cil-2.c [2020-10-28 01:06:58,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56ab42a2c/1c921c9d57ae4e49a881840e839c9cbf/FLAGafe8c0e8b [2020-10-28 01:06:58,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56ab42a2c/1c921c9d57ae4e49a881840e839c9cbf [2020-10-28 01:06:58,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:06:58,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:06:58,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:06:58,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:06:58,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:06:58,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8aad0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58, skipping insertion in model container [2020-10-28 01:06:58,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:06:58,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:06:58,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:06:58,778 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:06:58,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:06:58,885 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:06:58,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58 WrapperNode [2020-10-28 01:06:58,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:06:58,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:06:58,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:06:58,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:06:58,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:58,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... [2020-10-28 01:06:59,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:06:59,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:06:59,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:06:59,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:06:59,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:06:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:06:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:06:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:06:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:06:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:06:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:06:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:06:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:06:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:06:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:06:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 01:06:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 01:06:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 01:06:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 01:06:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:06:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:06:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:06:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:06:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:06:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:06:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 01:06:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 01:06:59,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 01:06:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 01:06:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:06:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:06:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:06:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:06:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:06:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:06:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:06:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:06:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:06:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:06:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:06:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:06:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:06:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:06:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:06:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:06:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:06:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:06:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:06:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:06:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:06:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:06:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:06:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:06:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:06:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 01:06:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 01:06:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 01:06:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 01:06:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:06:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:06:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:06:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:06:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:06:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:06:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:06:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:06:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 01:06:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 01:06:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 01:06:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 01:06:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:06:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:06:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:06:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:06:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:06:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:06:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:06:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:06:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:06:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:06:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:06:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:06:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:06:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:06:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:06:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:06:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:06:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:06:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:07:00,344 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:07:00,345 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-28 01:07:00,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:07:00 BoogieIcfgContainer [2020-10-28 01:07:00,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:07:00,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:07:00,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:07:00,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:07:00,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:06:58" (1/3) ... [2020-10-28 01:07:00,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44063146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:07:00, skipping insertion in model container [2020-10-28 01:07:00,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:06:58" (2/3) ... [2020-10-28 01:07:00,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44063146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:07:00, skipping insertion in model container [2020-10-28 01:07:00,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:07:00" (3/3) ... [2020-10-28 01:07:00,359 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.09.cil-2.c [2020-10-28 01:07:00,373 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:07:00,379 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:07:00,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:07:00,434 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:07:00,434 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:07:00,434 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:07:00,435 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:07:00,435 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:07:00,435 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:07:00,435 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:07:00,435 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:07:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states. [2020-10-28 01:07:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:07:00,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:00,490 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:00,490 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:00,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:00,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1535776747, now seen corresponding path program 1 times [2020-10-28 01:07:00,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:00,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293069486] [2020-10-28 01:07:00,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:00,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:01,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:05,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:05,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:07:05,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 01:07:05,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 01:07:05,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:05,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-28 01:07:05,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:05,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 01:07:06,387 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:07:06,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:06,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:07:06,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:07:06,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:06,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:06,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:06,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:06,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:06,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:06,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:06,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:06,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:06,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:07:06,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:06,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:06,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:06,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:07:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:06,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:06,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:07:11,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 01:07:11,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 01:07:11,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 01:07:11,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:11,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:11,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:07:11,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:11,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:11,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:11,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:11,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:11,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 01:07:11,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:11,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:11,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:11,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:11,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:07:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:11,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:07:11,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:07:11,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:07:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:11,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:11,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:11,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:12,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293069486] [2020-10-28 01:07:12,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:12,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:12,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583277098] [2020-10-28 01:07:12,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:12,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:12,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:12,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:12,042 INFO L87 Difference]: Start difference. First operand 395 states. Second operand 10 states. [2020-10-28 01:07:12,270 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:07:12,471 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-28 01:07:14,898 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-28 01:07:15,243 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-28 01:07:15,544 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:15,987 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:21,558 INFO L93 Difference]: Finished difference Result 1012 states and 1664 transitions. [2020-10-28 01:07:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:07:21,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-10-28 01:07:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:21,582 INFO L225 Difference]: With dead ends: 1012 [2020-10-28 01:07:21,582 INFO L226 Difference]: Without dead ends: 633 [2020-10-28 01:07:21,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:07:21,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-28 01:07:21,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 388. [2020-10-28 01:07:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-10-28 01:07:21,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 563 transitions. [2020-10-28 01:07:21,823 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 563 transitions. Word has length 191 [2020-10-28 01:07:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:21,827 INFO L481 AbstractCegarLoop]: Abstraction has 388 states and 563 transitions. [2020-10-28 01:07:21,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 563 transitions. [2020-10-28 01:07:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:07:21,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:21,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:21,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:07:21,847 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:21,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1969505833, now seen corresponding path program 1 times [2020-10-28 01:07:21,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:21,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075249660] [2020-10-28 01:07:21,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:21,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:21,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:22,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:25,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:26,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:07:26,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 01:07:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-28 01:07:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-28 01:07:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:27,327 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:07:27,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:27,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:27,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:27,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:07:27,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:27,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:27,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:27,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:27,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:27,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:27,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:27,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:27,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:27,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:27,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:27,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:27,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:27,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:27,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:27,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:27,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:27,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:27,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:07:27,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:27,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:27,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:07:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:27,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:07:29,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:07:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1741 [2020-10-28 01:07:29,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 01:07:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:29,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:29,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:29,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:29,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:07:29,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:29,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:29,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:29,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:29,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:07:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:29,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:07:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:07:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:29,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:29,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:29,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:29,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:29,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075249660] [2020-10-28 01:07:29,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:29,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:29,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033086655] [2020-10-28 01:07:29,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:29,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:29,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:29,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:29,509 INFO L87 Difference]: Start difference. First operand 388 states and 563 transitions. Second operand 10 states. [2020-10-28 01:07:31,500 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:31,822 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-28 01:07:32,305 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:32,453 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:07:32,786 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:38,580 INFO L93 Difference]: Finished difference Result 1011 states and 1574 transitions. [2020-10-28 01:07:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:07:38,582 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-10-28 01:07:38,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:38,589 INFO L225 Difference]: With dead ends: 1011 [2020-10-28 01:07:38,589 INFO L226 Difference]: Without dead ends: 651 [2020-10-28 01:07:38,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:07:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-10-28 01:07:38,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 393. [2020-10-28 01:07:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-10-28 01:07:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 568 transitions. [2020-10-28 01:07:38,670 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 568 transitions. Word has length 191 [2020-10-28 01:07:38,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:38,670 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 568 transitions. [2020-10-28 01:07:38,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 568 transitions. [2020-10-28 01:07:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:07:38,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:38,673 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:38,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:07:38,674 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:38,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:38,674 INFO L82 PathProgramCache]: Analyzing trace with hash -448978645, now seen corresponding path program 1 times [2020-10-28 01:07:38,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:38,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658078016] [2020-10-28 01:07:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:38,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:39,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:39,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:39,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:39,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:43,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:43,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:07:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 01:07:43,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 01:07:43,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-28 01:07:43,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,018 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:07:44,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:44,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:07:44,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:44,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:44,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:44,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:07:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:44,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:44,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:44,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:07:44,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:07:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:07:44,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:07:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-28 01:07:44,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:07:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:44,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:44,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:44,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:44,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:07:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:44,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:44,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:07:44,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:07:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:44,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:44,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:44,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658078016] [2020-10-28 01:07:44,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:44,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:44,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316049995] [2020-10-28 01:07:44,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:44,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:44,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:44,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:44,664 INFO L87 Difference]: Start difference. First operand 393 states and 568 transitions. Second operand 10 states. [2020-10-28 01:07:46,410 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:46,758 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-28 01:07:47,109 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:47,249 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:07:47,603 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:07:47,726 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:07:54,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:07:54,240 INFO L93 Difference]: Finished difference Result 1034 states and 1605 transitions. [2020-10-28 01:07:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:07:54,241 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-10-28 01:07:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:07:54,247 INFO L225 Difference]: With dead ends: 1034 [2020-10-28 01:07:54,248 INFO L226 Difference]: Without dead ends: 669 [2020-10-28 01:07:54,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:07:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-10-28 01:07:54,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 398. [2020-10-28 01:07:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-10-28 01:07:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 573 transitions. [2020-10-28 01:07:54,322 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 573 transitions. Word has length 191 [2020-10-28 01:07:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:07:54,323 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 573 transitions. [2020-10-28 01:07:54,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:07:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 573 transitions. [2020-10-28 01:07:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:07:54,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:54,326 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:54,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:07:54,326 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:54,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:54,327 INFO L82 PathProgramCache]: Analyzing trace with hash 22377705, now seen corresponding path program 1 times [2020-10-28 01:07:54,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:54,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1810134772] [2020-10-28 01:07:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:54,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:55,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:56,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:07:59,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:07:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 01:07:59,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 01:07:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:59,722 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:07:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:59,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:59,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:59,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:07:59,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:59,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:59,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:59,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:59,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:59,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:59,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:59,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:59,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:59,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:59,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:59,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:59,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:59,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:59,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:59,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:07:59,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:59,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:59,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:59,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:59,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:59,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:07:59,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:59,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:07:59,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:59,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:59,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:59,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:59,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:07:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:08:00,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 01:08:00,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:08:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:00,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:00,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:08:00,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:00,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:08:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:00,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:08:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:08:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:00,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:00,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:00,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:00,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:00,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:00,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:00,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:00,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:00,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:00,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1810134772] [2020-10-28 01:08:00,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:00,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:00,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795402473] [2020-10-28 01:08:00,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:00,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:00,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:00,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:00,344 INFO L87 Difference]: Start difference. First operand 398 states and 573 transitions. Second operand 10 states. [2020-10-28 01:08:01,979 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:08:02,303 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-28 01:08:02,663 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:08:03,144 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-28 01:08:03,263 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-28 01:08:09,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:09,541 INFO L93 Difference]: Finished difference Result 1051 states and 1626 transitions. [2020-10-28 01:08:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:08:09,542 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-10-28 01:08:09,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:09,548 INFO L225 Difference]: With dead ends: 1051 [2020-10-28 01:08:09,548 INFO L226 Difference]: Without dead ends: 681 [2020-10-28 01:08:09,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:09,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2020-10-28 01:08:09,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 403. [2020-10-28 01:08:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-28 01:08:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 578 transitions. [2020-10-28 01:08:09,633 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 578 transitions. Word has length 191 [2020-10-28 01:08:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:09,634 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 578 transitions. [2020-10-28 01:08:09,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 578 transitions. [2020-10-28 01:08:09,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:08:09,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:09,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:09,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:08:09,638 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:09,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:09,638 INFO L82 PathProgramCache]: Analyzing trace with hash 510424811, now seen corresponding path program 1 times [2020-10-28 01:08:09,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:09,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569751573] [2020-10-28 01:08:09,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:10,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:10,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:10,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:11,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:12,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:12,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:12,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:08:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 01:08:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,022 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:08:15,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:15,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:08:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:08:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:08:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:08:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:08:15,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 01:08:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 01:08:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:15,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:08:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:08:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:08:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:15,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:15,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:15,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569751573] [2020-10-28 01:08:15,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:15,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:08:15,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056315956] [2020-10-28 01:08:15,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:08:15,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:15,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:08:15,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:08:15,431 INFO L87 Difference]: Start difference. First operand 403 states and 578 transitions. Second operand 8 states. [2020-10-28 01:08:15,736 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:08:16,208 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 01:08:16,390 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:08:22,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:22,593 INFO L93 Difference]: Finished difference Result 1035 states and 1555 transitions. [2020-10-28 01:08:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:08:22,594 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-10-28 01:08:22,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:22,599 INFO L225 Difference]: With dead ends: 1035 [2020-10-28 01:08:22,599 INFO L226 Difference]: Without dead ends: 649 [2020-10-28 01:08:22,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:08:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-10-28 01:08:22,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 403. [2020-10-28 01:08:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-28 01:08:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2020-10-28 01:08:22,682 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 191 [2020-10-28 01:08:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:22,682 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2020-10-28 01:08:22,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:08:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2020-10-28 01:08:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:08:22,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:22,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:22,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:08:22,685 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:22,686 INFO L82 PathProgramCache]: Analyzing trace with hash -16969239, now seen corresponding path program 1 times [2020-10-28 01:08:22,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:22,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060896453] [2020-10-28 01:08:22,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:22,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:23,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:23,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:23,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:23,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:25,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:26,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:27,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:27,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:27,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:08:27,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-28 01:08:27,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 01:08:27,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-28 01:08:27,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 01:08:27,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,025 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:08:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:28,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:28,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:08:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:08:28,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:08:28,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 01:08:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:28,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:08:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:28,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:28,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:28,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:28,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:08:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:08:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:08:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:08:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:28,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:28,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:28,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:28,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:28,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:28,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:28,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:28,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:28,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:28,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060896453] [2020-10-28 01:08:28,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:28,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:08:28,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965352782] [2020-10-28 01:08:28,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:08:28,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:28,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:08:28,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:08:28,492 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand 9 states. [2020-10-28 01:08:29,977 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 01:08:31,644 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-28 01:08:31,900 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-28 01:08:42,207 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 01:08:50,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:50,719 INFO L93 Difference]: Finished difference Result 2226 states and 3688 transitions. [2020-10-28 01:08:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 01:08:50,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2020-10-28 01:08:50,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:50,735 INFO L225 Difference]: With dead ends: 2226 [2020-10-28 01:08:50,736 INFO L226 Difference]: Without dead ends: 1851 [2020-10-28 01:08:50,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-10-28 01:08:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2020-10-28 01:08:51,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1355. [2020-10-28 01:08:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1355 states. [2020-10-28 01:08:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2108 transitions. [2020-10-28 01:08:51,044 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2108 transitions. Word has length 191 [2020-10-28 01:08:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:51,045 INFO L481 AbstractCegarLoop]: Abstraction has 1355 states and 2108 transitions. [2020-10-28 01:08:51,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:08:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2108 transitions. [2020-10-28 01:08:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:08:51,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:51,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:51,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:08:51,049 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:51,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:51,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1905483987, now seen corresponding path program 1 times [2020-10-28 01:08:51,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:51,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942140313] [2020-10-28 01:08:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:51,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:51,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:52,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:08:56,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 01:08:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 01:08:56,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 01:08:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 01:08:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,424 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:08:56,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:56,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:56,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:56,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:08:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:56,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 01:08:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:08:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:08:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 01:08:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:08:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 01:08:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:56,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:56,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:08:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:08:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:08:56,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:08:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:56,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:56,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:56,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:56,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942140313] [2020-10-28 01:08:56,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:56,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:08:56,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31425824] [2020-10-28 01:08:56,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:08:56,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:56,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:08:56,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:08:56,821 INFO L87 Difference]: Start difference. First operand 1355 states and 2108 transitions. Second operand 9 states. [2020-10-28 01:08:58,433 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 01:09:01,306 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:09:01,969 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:09:11,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:11,503 INFO L93 Difference]: Finished difference Result 4542 states and 7258 transitions. [2020-10-28 01:09:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:09:11,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2020-10-28 01:09:11,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:11,527 INFO L225 Difference]: With dead ends: 4542 [2020-10-28 01:09:11,527 INFO L226 Difference]: Without dead ends: 3546 [2020-10-28 01:09:11,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:09:11,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2020-10-28 01:09:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 2495. [2020-10-28 01:09:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2495 states. [2020-10-28 01:09:12,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3767 transitions. [2020-10-28 01:09:12,007 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3767 transitions. Word has length 191 [2020-10-28 01:09:12,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:12,008 INFO L481 AbstractCegarLoop]: Abstraction has 2495 states and 3767 transitions. [2020-10-28 01:09:12,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:09:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3767 transitions. [2020-10-28 01:09:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:09:12,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:12,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:12,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:09:12,014 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:12,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:12,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1511117201, now seen corresponding path program 1 times [2020-10-28 01:09:12,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:12,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907018683] [2020-10-28 01:09:12,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:12,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:12,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:13,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:14,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 01:09:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,375 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:09:17,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:09:17,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:09:17,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:09:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:09:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 01:09:17,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:17,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:17,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:09:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:09:17,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:09:17,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:09:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:09:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:17,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:17,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:17,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907018683] [2020-10-28 01:09:17,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:17,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:09:17,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218511143] [2020-10-28 01:09:17,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:09:17,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:17,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:09:17,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:09:17,752 INFO L87 Difference]: Start difference. First operand 2495 states and 3767 transitions. Second operand 9 states. [2020-10-28 01:09:19,439 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:09:19,688 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:09:22,329 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:09:33,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:33,145 INFO L93 Difference]: Finished difference Result 9415 states and 14591 transitions. [2020-10-28 01:09:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:09:33,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2020-10-28 01:09:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:33,186 INFO L225 Difference]: With dead ends: 9415 [2020-10-28 01:09:33,186 INFO L226 Difference]: Without dead ends: 7318 [2020-10-28 01:09:33,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:09:33,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2020-10-28 01:09:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 5251. [2020-10-28 01:09:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5251 states. [2020-10-28 01:09:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 7727 transitions. [2020-10-28 01:09:34,392 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 7727 transitions. Word has length 191 [2020-10-28 01:09:34,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:34,393 INFO L481 AbstractCegarLoop]: Abstraction has 5251 states and 7727 transitions. [2020-10-28 01:09:34,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:09:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 7727 transitions. [2020-10-28 01:09:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:09:34,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:34,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:34,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:09:34,401 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:34,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:34,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1358708817, now seen corresponding path program 1 times [2020-10-28 01:09:34,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:34,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707156582] [2020-10-28 01:09:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:34,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:34,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:36,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:39,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:09:39,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-28 01:09:39,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 01:09:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:09:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:09:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 01:09:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:39,770 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:09:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:39,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:09:39,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:39,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:39,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:39,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:39,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:39,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:09:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:39,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:39,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:39,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:39,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:39,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:39,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:39,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:39,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:39,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:09:39,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:39,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:39,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 01:09:39,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:39,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:39,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:09:39,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:09:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:09:40,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:09:40,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 01:09:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:40,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:09:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:09:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:09:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:40,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:40,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:40,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:40,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:40,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:40,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:40,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:40,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707156582] [2020-10-28 01:09:40,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:40,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:09:40,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273941588] [2020-10-28 01:09:40,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:09:40,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:40,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:09:40,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:09:40,099 INFO L87 Difference]: Start difference. First operand 5251 states and 7727 transitions. Second operand 9 states. [2020-10-28 01:09:40,429 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 01:09:40,764 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:09:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:48,976 INFO L93 Difference]: Finished difference Result 13879 states and 21540 transitions. [2020-10-28 01:09:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:09:48,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2020-10-28 01:09:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:49,033 INFO L225 Difference]: With dead ends: 13879 [2020-10-28 01:09:49,033 INFO L226 Difference]: Without dead ends: 8656 [2020-10-28 01:09:49,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:09:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8656 states. [2020-10-28 01:09:50,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8656 to 6385. [2020-10-28 01:09:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6385 states. [2020-10-28 01:09:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6385 states to 6385 states and 9062 transitions. [2020-10-28 01:09:50,301 INFO L78 Accepts]: Start accepts. Automaton has 6385 states and 9062 transitions. Word has length 191 [2020-10-28 01:09:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:50,301 INFO L481 AbstractCegarLoop]: Abstraction has 6385 states and 9062 transitions. [2020-10-28 01:09:50,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:09:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6385 states and 9062 transitions. [2020-10-28 01:09:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:09:50,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:50,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:50,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:09:50,310 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:50,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:50,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1924813298, now seen corresponding path program 1 times [2020-10-28 01:09:50,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:50,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712566089] [2020-10-28 01:09:50,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:50,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:50,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:50,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:50,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:50,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:50,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 01:09:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:55,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,734 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:09:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:09:55,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:55,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:09:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:55,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:55,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:55,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:55,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:55,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:55,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:55,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:55,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:55,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:55,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:55,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:55,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:09:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:56,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:56,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:56,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:09:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:09:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:09:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:56,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:56,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712566089] [2020-10-28 01:09:56,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:56,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:09:56,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083043776] [2020-10-28 01:09:56,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:09:56,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:56,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:09:56,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:09:56,132 INFO L87 Difference]: Start difference. First operand 6385 states and 9062 transitions. Second operand 10 states. [2020-10-28 01:09:58,059 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-28 01:09:58,416 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-28 01:09:58,764 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-28 01:09:58,901 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 01:09:59,264 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-28 01:09:59,409 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-28 01:10:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:05,714 INFO L93 Difference]: Finished difference Result 14975 states and 22313 transitions. [2020-10-28 01:10:05,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:10:05,715 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-10-28 01:10:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:05,754 INFO L225 Difference]: With dead ends: 14975 [2020-10-28 01:10:05,755 INFO L226 Difference]: Without dead ends: 8626 [2020-10-28 01:10:05,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:10:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8626 states. [2020-10-28 01:10:06,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8626 to 6430. [2020-10-28 01:10:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6430 states. [2020-10-28 01:10:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6430 states to 6430 states and 9088 transitions. [2020-10-28 01:10:06,837 INFO L78 Accepts]: Start accepts. Automaton has 6430 states and 9088 transitions. Word has length 191 [2020-10-28 01:10:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:06,837 INFO L481 AbstractCegarLoop]: Abstraction has 6430 states and 9088 transitions. [2020-10-28 01:10:06,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:10:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6430 states and 9088 transitions. [2020-10-28 01:10:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:10:06,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:06,843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:06,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 01:10:06,843 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:06,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:06,844 INFO L82 PathProgramCache]: Analyzing trace with hash 751179084, now seen corresponding path program 1 times [2020-10-28 01:10:06,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:06,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [281325833] [2020-10-28 01:10:06,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:06,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:08,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:11,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:10:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-28 01:10:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 01:10:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:10:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 01:10:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,187 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:10:12,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:12,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:12,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:10:12,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:12,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:12,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:12,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 01:10:12,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:10:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:10:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:10:12,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:10:12,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 01:10:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:12,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:12,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:10:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:10:12,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:10:12,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:10:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:10:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:12,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:12,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:12,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:12,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:12,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:12,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [281325833] [2020-10-28 01:10:12,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:12,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:12,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369462171] [2020-10-28 01:10:12,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:12,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:12,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:12,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:12,536 INFO L87 Difference]: Start difference. First operand 6430 states and 9088 transitions. Second operand 9 states. [2020-10-28 01:10:12,863 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 01:10:13,216 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:10:18,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:18,759 INFO L93 Difference]: Finished difference Result 8329 states and 12040 transitions. [2020-10-28 01:10:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:10:18,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2020-10-28 01:10:18,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:18,778 INFO L225 Difference]: With dead ends: 8329 [2020-10-28 01:10:18,778 INFO L226 Difference]: Without dead ends: 4890 [2020-10-28 01:10:18,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2020-10-28 01:10:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 3686. [2020-10-28 01:10:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2020-10-28 01:10:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5177 transitions. [2020-10-28 01:10:19,460 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5177 transitions. Word has length 191 [2020-10-28 01:10:19,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:19,460 INFO L481 AbstractCegarLoop]: Abstraction has 3686 states and 5177 transitions. [2020-10-28 01:10:19,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:10:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5177 transitions. [2020-10-28 01:10:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:10:19,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:19,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:19,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 01:10:19,463 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:19,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash 848600078, now seen corresponding path program 1 times [2020-10-28 01:10:19,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:19,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319283733] [2020-10-28 01:10:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:19,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:19,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:19,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:19,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:20,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:23,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:24,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:24,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-28 01:10:24,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-28 01:10:24,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 01:10:24,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:10:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 01:10:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:24,826 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-28 01:10:24,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:24,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:24,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:24,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:24,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:10:24,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:24,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:24,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:24,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:24,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:24,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:24,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:10:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:24,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:24,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 01:10:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:10:24,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 01:10:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 01:10:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 01:10:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 01:10:25,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:10:25,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-28 01:10:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:25,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:25,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 01:10:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-28 01:10:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:25,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:25,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:25,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:25,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:25,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:25,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:25,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:25,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319283733] [2020-10-28 01:10:25,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:25,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:25,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103791285] [2020-10-28 01:10:25,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:25,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:25,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:25,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:25,201 INFO L87 Difference]: Start difference. First operand 3686 states and 5177 transitions. Second operand 9 states. [2020-10-28 01:10:25,552 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-28 01:10:25,683 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:10:25,869 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:10:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:32,649 INFO L93 Difference]: Finished difference Result 8043 states and 11622 transitions. [2020-10-28 01:10:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:10:32,650 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2020-10-28 01:10:32,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:32,668 INFO L225 Difference]: With dead ends: 8043 [2020-10-28 01:10:32,668 INFO L226 Difference]: Without dead ends: 4814 [2020-10-28 01:10:32,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:32,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4814 states. [2020-10-28 01:10:33,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4814 to 3686. [2020-10-28 01:10:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2020-10-28 01:10:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5153 transitions. [2020-10-28 01:10:33,468 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5153 transitions. Word has length 191 [2020-10-28 01:10:33,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:33,469 INFO L481 AbstractCegarLoop]: Abstraction has 3686 states and 5153 transitions. [2020-10-28 01:10:33,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:10:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5153 transitions. [2020-10-28 01:10:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 01:10:33,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:33,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:33,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 01:10:33,474 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:33,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1563196748, now seen corresponding path program 1 times [2020-10-28 01:10:33,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:33,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331816458] [2020-10-28 01:10:33,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking...