/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/transmitter.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 20:00:34,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 20:00:34,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 20:00:34,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 20:00:34,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 20:00:34,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 20:00:34,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 20:00:34,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 20:00:34,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 20:00:34,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 20:00:34,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 20:00:34,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 20:00:34,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 20:00:34,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 20:00:34,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 20:00:34,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 20:00:34,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 20:00:34,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 20:00:34,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 20:00:34,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 20:00:34,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 20:00:34,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 20:00:34,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 20:00:34,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 20:00:34,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 20:00:34,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 20:00:34,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 20:00:34,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 20:00:34,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 20:00:34,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 20:00:34,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 20:00:34,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 20:00:34,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 20:00:34,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 20:00:34,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 20:00:34,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 20:00:34,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 20:00:34,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 20:00:34,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 20:00:34,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 20:00:34,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 20:00:34,223 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 20:00:34,252 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 20:00:34,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 20:00:34,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 20:00:34,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 20:00:34,258 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 20:00:34,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 20:00:34,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 20:00:34,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 20:00:34,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 20:00:34,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 20:00:34,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 20:00:34,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 20:00:34,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 20:00:34,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 20:00:34,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 20:00:34,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 20:00:34,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 20:00:34,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 20:00:34,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 20:00:34,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 20:00:34,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 20:00:34,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 20:00:34,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 20:00:34,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 20:00:34,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 20:00:34,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 20:00:34,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 20:00:34,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 20:00:34,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 20:00:34,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 20:00:34,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 20:00:34,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 20:00:34,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 20:00:34,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 20:00:34,746 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 20:00:34,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-10-28 20:00:34,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e7324236/1c87b1fcdcfb4e57a1eeee1608175551/FLAG5cfae588f [2020-10-28 20:00:35,462 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 20:00:35,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-10-28 20:00:35,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e7324236/1c87b1fcdcfb4e57a1eeee1608175551/FLAG5cfae588f [2020-10-28 20:00:35,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e7324236/1c87b1fcdcfb4e57a1eeee1608175551 [2020-10-28 20:00:35,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 20:00:35,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 20:00:35,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 20:00:35,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 20:00:35,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 20:00:35,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:00:35" (1/1) ... [2020-10-28 20:00:35,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae22405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:35, skipping insertion in model container [2020-10-28 20:00:35,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:00:35" (1/1) ... [2020-10-28 20:00:35,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 20:00:35,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 20:00:36,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 20:00:36,357 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 20:00:36,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 20:00:36,549 INFO L208 MainTranslator]: Completed translation [2020-10-28 20:00:36,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36 WrapperNode [2020-10-28 20:00:36,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 20:00:36,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 20:00:36,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 20:00:36,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 20:00:36,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (1/1) ... [2020-10-28 20:00:36,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 20:00:36,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 20:00:36,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 20:00:36,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 20:00:36,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (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 20:00:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 20:00:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 20:00:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 20:00:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 20:00:36,793 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 20:00:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 20:00:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 20:00:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 20:00:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 20:00:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-28 20:00:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-28 20:00:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit14 [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 20:00:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-28 20:00:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit14_triggered [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 20:00:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 20:00:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 20:00:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 20:00:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 20:00:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 20:00:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 20:00:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 20:00:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 20:00:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 20:00:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 20:00:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 20:00:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 20:00:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 20:00:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 20:00:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 20:00:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-28 20:00:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-28 20:00:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-28 20:00:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit14_triggered [2020-10-28 20:00:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 20:00:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 20:00:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-28 20:00:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure transmit14 [2020-10-28 20:00:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 20:00:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 20:00:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 20:00:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 20:00:36,806 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 20:00:36,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 20:00:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 20:00:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 20:00:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 20:00:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 20:00:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 20:00:36,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 20:00:38,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 20:00:38,338 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-28 20:00:38,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:00:38 BoogieIcfgContainer [2020-10-28 20:00:38,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 20:00:38,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 20:00:38,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 20:00:38,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 20:00:38,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:00:35" (1/3) ... [2020-10-28 20:00:38,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be33c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:00:38, skipping insertion in model container [2020-10-28 20:00:38,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:00:36" (2/3) ... [2020-10-28 20:00:38,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be33c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:00:38, skipping insertion in model container [2020-10-28 20:00:38,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:00:38" (3/3) ... [2020-10-28 20:00:38,350 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2020-10-28 20:00:38,364 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 20:00:38,370 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 20:00:38,386 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 20:00:38,420 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 20:00:38,420 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 20:00:38,420 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 20:00:38,420 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 20:00:38,421 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 20:00:38,421 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 20:00:38,421 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 20:00:38,421 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 20:00:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states. [2020-10-28 20:00:38,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:00:38,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:00:38,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:00:38,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:00:38,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:00:38,488 INFO L82 PathProgramCache]: Analyzing trace with hash 858426230, now seen corresponding path program 1 times [2020-10-28 20:00:38,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:00:38,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548861838] [2020-10-28 20:00:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:00:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:38,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:40,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:41,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:43,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:43,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:00:43,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:00:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 20:00:43,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:43,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:00:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:00:43,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 20:00:44,694 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:00:44,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:00:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:44,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:44,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:44,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 20:00:44,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:44,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:00:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:44,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:00:44,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:00:44,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:44,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:44,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:00:44,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:44,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:00:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:44,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:44,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:44,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:00:44,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:44,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:44,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:44,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:00:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:44,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:00:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:44,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:00:45,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 20:00:45,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:00:45,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:00:45,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 20:00:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 20:00:45,186 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 20:00:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:00:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:45,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:00:45,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:45,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 20:00:45,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:45,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:45,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:00:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:45,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:00:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:45,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:46,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:00:50,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:00:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 20:00:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 20:00:50,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:00:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:50,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:00:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 20:00:50,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:00:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:50,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:00:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:00:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:00:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:50,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:00:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:50,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:00:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:00:50,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:00:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:50,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:00:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:00:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:00:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 20:00:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:00:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:50,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:00:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:00:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:00:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:00:50,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:00:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:00:50,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:00:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:00:50,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 20:00:50,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:00:50,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:00:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:00:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:00:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:00:50,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:00:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:00:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:00:50,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:00:50,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:00:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:00:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:00:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:00:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:00:50,714 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 20:00:50,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548861838] [2020-10-28 20:00:50,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:00:50,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 20:00:50,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371688787] [2020-10-28 20:00:50,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 20:00:50,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:00:50,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 20:00:50,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 20:00:50,742 INFO L87 Difference]: Start difference. First operand 530 states. Second operand 8 states. [2020-10-28 20:00:51,338 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-28 20:00:51,557 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:00:52,126 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:00:52,392 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:01:00,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:00,984 INFO L93 Difference]: Finished difference Result 1376 states and 2267 transitions. [2020-10-28 20:01:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 20:01:00,988 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2020-10-28 20:01:00,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:01,018 INFO L225 Difference]: With dead ends: 1376 [2020-10-28 20:01:01,018 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 20:01:01,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 20:01:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 20:01:01,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 518. [2020-10-28 20:01:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-28 20:01:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 761 transitions. [2020-10-28 20:01:01,335 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 761 transitions. Word has length 255 [2020-10-28 20:01:01,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:01,337 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 761 transitions. [2020-10-28 20:01:01,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 20:01:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 761 transitions. [2020-10-28 20:01:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:01:01,359 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:01,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:01,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 20:01:01,360 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:01,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:01,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1093699768, now seen corresponding path program 1 times [2020-10-28 20:01:01,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:01,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326578503] [2020-10-28 20:01:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:01,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:01,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:02,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:06,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:06,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:01:06,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:01:06,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 20:01:06,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:06,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 20:01:06,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 20:01:06,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:07,003 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:01:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:07,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:07,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:07,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 20:01:07,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:07,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:07,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 20:01:07,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:07,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:07,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:01:07,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:07,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:07,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:07,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:07,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:01:07,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 20:01:07,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:07,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 20:01:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 20:01:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:07,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:01:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:07,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:01:07,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 20:01:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:07,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:01:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:01:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:07,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:08,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:01:12,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 20:01:12,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 20:01:12,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:12,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:01:12,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:01:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:01:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:01:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:01:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:01:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:12,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:12,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:01:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:01:12,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 20:01:12,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:01:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:01:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:12,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:12,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:12,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:12,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:12,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:12,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 20:01:12,814 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 20:01:12,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326578503] [2020-10-28 20:01:12,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:12,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 20:01:12,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277977102] [2020-10-28 20:01:12,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 20:01:12,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:12,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 20:01:12,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 20:01:12,823 INFO L87 Difference]: Start difference. First operand 518 states and 761 transitions. Second operand 8 states. [2020-10-28 20:01:13,492 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-28 20:01:13,697 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:01:14,253 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:01:14,513 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:01:24,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:24,705 INFO L93 Difference]: Finished difference Result 1344 states and 2057 transitions. [2020-10-28 20:01:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 20:01:24,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2020-10-28 20:01:24,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:24,715 INFO L225 Difference]: With dead ends: 1344 [2020-10-28 20:01:24,715 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 20:01:24,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:01:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 20:01:24,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 518. [2020-10-28 20:01:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-28 20:01:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 760 transitions. [2020-10-28 20:01:24,844 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 760 transitions. Word has length 255 [2020-10-28 20:01:24,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:24,844 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 760 transitions. [2020-10-28 20:01:24,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 20:01:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 760 transitions. [2020-10-28 20:01:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:01:24,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:24,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:24,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 20:01:24,849 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:24,850 INFO L82 PathProgramCache]: Analyzing trace with hash -530520070, now seen corresponding path program 1 times [2020-10-28 20:01:24,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:24,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542003472] [2020-10-28 20:01:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:24,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:25,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:29,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:29,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 20:01:29,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,421 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:01:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:30,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 20:01:30,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:30,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:01:30,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:30,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:30,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:30,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:30,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:01:30,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:01:30,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:30,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:01:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:01:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:30,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 20:01:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:30,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:01:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:30,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:30,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:31,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 20:01:35,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:01:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:01:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:01:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:01:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:01:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:35,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:01:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:01:35,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:01:35,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:01:35,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:01:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:35,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:35,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:35,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:35,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:35,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:35,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:35,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:35,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:35,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:35,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:36,071 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 20:01:36,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542003472] [2020-10-28 20:01:36,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:36,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:01:36,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022768242] [2020-10-28 20:01:36,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:01:36,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:36,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:01:36,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:01:36,075 INFO L87 Difference]: Start difference. First operand 518 states and 760 transitions. Second operand 9 states. [2020-10-28 20:01:36,612 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:01:36,798 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:01:37,068 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:01:37,397 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-28 20:01:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:01:46,750 INFO L93 Difference]: Finished difference Result 1338 states and 2054 transitions. [2020-10-28 20:01:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:01:46,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 255 [2020-10-28 20:01:46,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:01:46,758 INFO L225 Difference]: With dead ends: 1338 [2020-10-28 20:01:46,758 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 20:01:46,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:01:46,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 20:01:46,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 518. [2020-10-28 20:01:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-28 20:01:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 757 transitions. [2020-10-28 20:01:46,887 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 757 transitions. Word has length 255 [2020-10-28 20:01:46,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:01:46,887 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 757 transitions. [2020-10-28 20:01:46,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:01:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 757 transitions. [2020-10-28 20:01:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:01:46,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:01:46,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:01:46,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 20:01:46,892 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:01:46,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:01:46,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1972853434, now seen corresponding path program 1 times [2020-10-28 20:01:46,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:01:46,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086615886] [2020-10-28 20:01:46,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:01:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:46,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:47,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:47,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:47,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:47,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:51,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:51,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:01:51,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:01:51,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:51,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:01:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:01:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 20:01:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:52,453 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:01:52,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:01:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:52,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:52,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:52,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 20:01:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:52,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:52,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:01:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:52,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:01:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:52,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:52,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:52,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:01:52,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:01:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:52,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:01:52,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:52,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:52,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:01:52,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:01:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:52,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:52,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:01:52,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 20:01:52,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:52,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:01:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:01:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:01:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:52,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:52,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:01:52,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 20:01:52,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:52,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:01:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:01:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 20:01:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:01:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:52,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:52,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:53,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 20:01:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:01:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:01:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:01:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:01:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:01:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:01:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:01:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:01:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:01:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:01:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:01:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:01:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-28 20:01:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:01:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:01:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:01:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:01:57,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:01:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:01:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:01:57,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:01:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:01:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:57,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:01:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:01:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:01:57,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:01:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:01:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:01:58,049 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 20:01:58,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086615886] [2020-10-28 20:01:58,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:01:58,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:01:58,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510667693] [2020-10-28 20:01:58,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:01:58,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:01:58,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:01:58,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:01:58,053 INFO L87 Difference]: Start difference. First operand 518 states and 757 transitions. Second operand 9 states. [2020-10-28 20:01:58,564 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:01:58,760 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:01:59,024 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:02:08,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:02:08,936 INFO L93 Difference]: Finished difference Result 1338 states and 2045 transitions. [2020-10-28 20:02:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:02:08,937 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 255 [2020-10-28 20:02:08,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:02:08,944 INFO L225 Difference]: With dead ends: 1338 [2020-10-28 20:02:08,944 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 20:02:08,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:02:08,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 20:02:09,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 518. [2020-10-28 20:02:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-28 20:02:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 754 transitions. [2020-10-28 20:02:09,068 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 754 transitions. Word has length 255 [2020-10-28 20:02:09,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:02:09,068 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 754 transitions. [2020-10-28 20:02:09,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:02:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 754 transitions. [2020-10-28 20:02:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:02:09,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:02:09,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:09,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 20:02:09,073 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:02:09,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:02:09,074 INFO L82 PathProgramCache]: Analyzing trace with hash 2053607418, now seen corresponding path program 1 times [2020-10-28 20:02:09,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:02:09,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046773601] [2020-10-28 20:02:09,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:02:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:09,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:09,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:09,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:09,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:09,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:09,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:09,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:02:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:14,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 20:02:14,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:14,661 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:02:14,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:14,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:14,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 20:02:14,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:14,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:14,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:14,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:14,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:14,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:02:14,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:14,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:14,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:14,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:14,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:14,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:14,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:14,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:14,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:14,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:14,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:14,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:14,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:02:14,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:02:14,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:14,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:02:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:02:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:14,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:14,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:14,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:02:14,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:14,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 20:02:14,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:14,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:14,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:02:14,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:02:14,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 20:02:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:02:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:15,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:15,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:15,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:15,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:15,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:16,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:02:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:02:20,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 20:02:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:20,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:20,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:02:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:02:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:02:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:02:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:02:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:20,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:02:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:02:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:02:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:20,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:20,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:20,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:20,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:20,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:20,286 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 20:02:20,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046773601] [2020-10-28 20:02:20,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:02:20,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:02:20,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726915703] [2020-10-28 20:02:20,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:02:20,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:02:20,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:02:20,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:02:20,289 INFO L87 Difference]: Start difference. First operand 518 states and 754 transitions. Second operand 9 states. [2020-10-28 20:02:20,794 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:02:20,995 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:02:21,261 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:02:29,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:02:29,089 INFO L93 Difference]: Finished difference Result 1338 states and 2036 transitions. [2020-10-28 20:02:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:02:29,090 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 255 [2020-10-28 20:02:29,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:02:29,096 INFO L225 Difference]: With dead ends: 1338 [2020-10-28 20:02:29,097 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 20:02:29,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:02:29,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 20:02:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 518. [2020-10-28 20:02:29,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-28 20:02:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 751 transitions. [2020-10-28 20:02:29,261 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 751 transitions. Word has length 255 [2020-10-28 20:02:29,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:02:29,262 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 751 transitions. [2020-10-28 20:02:29,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:02:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 751 transitions. [2020-10-28 20:02:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:02:29,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:02:29,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:29,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 20:02:29,268 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:02:29,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:02:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1054382536, now seen corresponding path program 1 times [2020-10-28 20:02:29,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:02:29,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18896363] [2020-10-28 20:02:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:02:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:29,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:29,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:29,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:30,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 20:02:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 20:02:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:34,848 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:02:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:34,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:34,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:34,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:34,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:34,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:34,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:02:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:02:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:35,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:35,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-28 20:02:35,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:35,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:02:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:35,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:35,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-10-28 20:02:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:02:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:40,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:02:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:02:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:40,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:02:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:40,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:02:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:40,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:02:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:02:40,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:02:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:40,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:40,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:40,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:02:40,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:40,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:40,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:02:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:02:40,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:40,390 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 20:02:40,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18896363] [2020-10-28 20:02:40,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:02:40,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 20:02:40,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961826053] [2020-10-28 20:02:40,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 20:02:40,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:02:40,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 20:02:40,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 20:02:40,393 INFO L87 Difference]: Start difference. First operand 518 states and 751 transitions. Second operand 9 states. [2020-10-28 20:02:40,897 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:02:41,100 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:02:41,365 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-28 20:02:48,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:02:48,857 INFO L93 Difference]: Finished difference Result 1338 states and 2027 transitions. [2020-10-28 20:02:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 20:02:48,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 255 [2020-10-28 20:02:48,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:02:48,865 INFO L225 Difference]: With dead ends: 1338 [2020-10-28 20:02:48,865 INFO L226 Difference]: Without dead ends: 852 [2020-10-28 20:02:48,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 20:02:48,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-10-28 20:02:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 518. [2020-10-28 20:02:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-28 20:02:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 748 transitions. [2020-10-28 20:02:49,000 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 748 transitions. Word has length 255 [2020-10-28 20:02:49,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:02:49,000 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 748 transitions. [2020-10-28 20:02:49,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 20:02:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 748 transitions. [2020-10-28 20:02:49,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:02:49,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:02:49,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:49,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 20:02:49,003 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:02:49,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:02:49,003 INFO L82 PathProgramCache]: Analyzing trace with hash -888935560, now seen corresponding path program 1 times [2020-10-28 20:02:49,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:02:49,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244733570] [2020-10-28 20:02:49,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:02:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:49,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:54,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:02:54,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:02:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 20:02:54,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:54,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 20:02:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:02:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 20:02:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:54,542 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:02:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:02:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:54,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:54,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:02:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:54,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:02:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:54,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:54,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:02:54,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:02:54,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:54,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:02:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:02:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:54,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:02:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:54,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:54,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:02:54,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:02:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:54,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:02:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:54,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:02:54,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:54,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:02:54,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:54,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:54,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 20:02:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:02:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:02:59,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-28 20:02:59,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:02:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 20:02:59,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:02:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:02:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:02:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:02:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:02:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:02:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:02:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:02:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:02:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:02:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:02:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:02:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:02:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:02:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:02:59,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:02:59,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:02:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:02:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:02:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:03:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:00,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:00,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:03:00,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 20:03:00,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:00,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:00,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:03:00,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:00,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:00,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:03:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:00,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:00,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:03:00,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:00,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:00,116 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 20:03:00,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244733570] [2020-10-28 20:03:00,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:03:00,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 20:03:00,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681484126] [2020-10-28 20:03:00,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 20:03:00,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:03:00,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 20:03:00,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 20:03:00,118 INFO L87 Difference]: Start difference. First operand 518 states and 748 transitions. Second operand 8 states. [2020-10-28 20:03:00,670 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:03:00,878 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:03:01,160 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:03:01,515 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 20:03:08,272 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:03:08,666 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:03:08,787 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-28 20:03:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:03:17,917 INFO L93 Difference]: Finished difference Result 2129 states and 3270 transitions. [2020-10-28 20:03:17,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 20:03:17,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2020-10-28 20:03:17,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:03:17,932 INFO L225 Difference]: With dead ends: 2129 [2020-10-28 20:03:17,932 INFO L226 Difference]: Without dead ends: 1644 [2020-10-28 20:03:17,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 20:03:17,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2020-10-28 20:03:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1094. [2020-10-28 20:03:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2020-10-28 20:03:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1595 transitions. [2020-10-28 20:03:18,246 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1595 transitions. Word has length 255 [2020-10-28 20:03:18,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:03:18,246 INFO L481 AbstractCegarLoop]: Abstraction has 1094 states and 1595 transitions. [2020-10-28 20:03:18,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 20:03:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1595 transitions. [2020-10-28 20:03:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:03:18,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:03:18,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:18,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 20:03:18,250 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:03:18,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:03:18,250 INFO L82 PathProgramCache]: Analyzing trace with hash 366662487, now seen corresponding path program 1 times [2020-10-28 20:03:18,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:03:18,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690287473] [2020-10-28 20:03:18,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:03:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:18,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:18,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:20,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:21,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:21,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 20:03:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:03:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-28 20:03:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:23,803 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:03:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:03:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:23,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:03:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:03:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:23,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:23,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:23,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:03:23,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:03:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:23,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:23,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:23,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:03:23,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:03:23,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:03:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:23,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:03:23,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:23,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:03:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:03:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:03:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:24,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 20:03:24,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:24,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:03:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:24,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:24,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:03:29,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 20:03:29,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 20:03:29,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 20:03:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 20:03:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 20:03:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:03:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:03:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:03:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:03:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:03:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:03:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:03:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:03:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:03:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 20:03:29,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:03:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 20:03:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:03:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 20:03:29,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:03:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 20:03:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:03:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 20:03:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:03:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 20:03:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:03:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:03:29,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 20:03:29,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:03:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:03:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:03:29,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:03:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:03:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:29,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:03:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:03:29,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:03:29,410 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 20:03:29,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690287473] [2020-10-28 20:03:29,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:03:29,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 20:03:29,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212830789] [2020-10-28 20:03:29,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 20:03:29,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:03:29,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 20:03:29,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-28 20:03:29,413 INFO L87 Difference]: Start difference. First operand 1094 states and 1595 transitions. Second operand 11 states. [2020-10-28 20:03:29,918 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:03:30,127 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:03:30,435 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:03:33,247 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-28 20:03:33,793 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-28 20:03:34,055 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-28 20:03:34,589 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-28 20:03:34,828 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-28 20:03:35,346 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-28 20:03:39,325 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-28 20:03:43,790 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-28 20:03:44,362 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-28 20:03:44,619 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-28 20:03:45,189 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-28 20:03:45,455 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-28 20:03:45,995 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-28 20:03:54,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 20:03:54,845 INFO L93 Difference]: Finished difference Result 4369 states and 6837 transitions. [2020-10-28 20:03:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 20:03:54,850 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2020-10-28 20:03:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 20:03:54,871 INFO L225 Difference]: With dead ends: 4369 [2020-10-28 20:03:54,872 INFO L226 Difference]: Without dead ends: 3308 [2020-10-28 20:03:54,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-28 20:03:54,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2020-10-28 20:03:55,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 2222. [2020-10-28 20:03:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2222 states. [2020-10-28 20:03:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3265 transitions. [2020-10-28 20:03:55,575 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3265 transitions. Word has length 255 [2020-10-28 20:03:55,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 20:03:55,576 INFO L481 AbstractCegarLoop]: Abstraction has 2222 states and 3265 transitions. [2020-10-28 20:03:55,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 20:03:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3265 transitions. [2020-10-28 20:03:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-28 20:03:55,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 20:03:55,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:55,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 20:03:55,579 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 20:03:55,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 20:03:55,579 INFO L82 PathProgramCache]: Analyzing trace with hash -446344682, now seen corresponding path program 1 times [2020-10-28 20:03:55,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 20:03:55,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393369551] [2020-10-28 20:03:55,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 20:03:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:03:55,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:55,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:55,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:55,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:56,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:56,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:58,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:03:58,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 20:04:00,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-28 20:04:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:01,124 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-28 20:04:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 20:04:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:01,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:01,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:04:01,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 20:04:01,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:01,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:01,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 20:04:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 20:04:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:01,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 20:04:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 20:04:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:01,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 20:04:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:01,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 20:04:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:01,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 20:04:01,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 20:04:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:01,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 20:04:01,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:01,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 20:04:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:01,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:01,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-28 20:04:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 20:04:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 20:04:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 20:04:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:04:06,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 20:04:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 20:04:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 20:04:06,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 20:04:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 20:04:06,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 20:04:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 20:04:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:04:06,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 20:04:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 20:04:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 20:04:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:04:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 20:04:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:04:06,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 20:04:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 20:04:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:04:06,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 20:04:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 20:04:06,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 20:04:06,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-28 20:04:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 20:04:06,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 20:04:06,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 20:04:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-28 20:04:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 20:04:06,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 20:04:06,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 20:04:06,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 20:04:06,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 20:04:06,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 20:04:06,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 20:04:06,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 20:04:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 20:04:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 20:04:06,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 20:04:06,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 20:04:06,605 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 20:04:06,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393369551] [2020-10-28 20:04:06,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 20:04:06,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 20:04:06,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425239847] [2020-10-28 20:04:06,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 20:04:06,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 20:04:06,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 20:04:06,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 20:04:06,607 INFO L87 Difference]: Start difference. First operand 2222 states and 3265 transitions. Second operand 8 states. [2020-10-28 20:04:07,134 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-28 20:04:07,332 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:04:07,595 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:04:11,455 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-28 20:04:12,406 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 255