/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:13:20,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:13:20,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:13:20,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:13:20,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:13:20,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:13:20,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:13:20,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:13:20,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:13:20,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:13:20,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:13:20,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:13:20,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:13:20,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:13:20,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:13:20,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:13:20,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:13:20,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:13:20,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:13:20,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:13:20,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:13:20,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:13:20,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:13:20,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:13:20,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:13:20,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:13:20,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:13:20,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:13:20,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:13:20,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:13:20,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:13:20,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:13:20,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:13:20,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:13:20,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:13:20,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:13:20,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:13:20,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:13:20,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:13:20,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:13:20,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:13:20,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:13:20,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:13:20,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:13:20,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:13:20,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:13:20,908 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:13:20,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:13:20,908 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:13:20,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:13:20,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:13:20,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:13:20,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:13:20,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:13:20,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:13:20,910 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:13:20,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:13:20,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:13:20,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:13:20,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:13:20,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:13:20,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:13:20,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:13:20,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:13:20,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:13:20,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:13:20,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:13:20,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:13:20,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:13:20,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:13:20,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:13:20,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:13:21,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:13:21,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:13:21,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:13:21,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:13:21,356 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:13:21,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.12.cil.c [2020-10-28 01:13:21,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e51dcd43/4dc1587bd708494daa913c47df93301f/FLAG0a9aba351 [2020-10-28 01:13:22,121 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:13:22,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.12.cil.c [2020-10-28 01:13:22,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e51dcd43/4dc1587bd708494daa913c47df93301f/FLAG0a9aba351 [2020-10-28 01:13:22,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e51dcd43/4dc1587bd708494daa913c47df93301f [2020-10-28 01:13:22,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:13:22,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:13:22,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:13:22,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:13:22,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:13:22,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:13:22" (1/1) ... [2020-10-28 01:13:22,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6629ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:22, skipping insertion in model container [2020-10-28 01:13:22,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:13:22" (1/1) ... [2020-10-28 01:13:22,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:13:22,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:13:22,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:13:22,937 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:13:23,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:13:23,092 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:13:23,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23 WrapperNode [2020-10-28 01:13:23,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:13:23,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:13:23,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:13:23,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:13:23,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... [2020-10-28 01:13:23,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:13:23,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:13:23,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:13:23,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:13:23,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:13:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:13:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:13:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:13:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:13:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:13:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:13:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:13:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:13:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:13:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:13:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 01:13:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 01:13:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 01:13:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 01:13:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 01:13:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-28 01:13:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-28 01:13:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:13:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:13:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:13:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:13:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:13:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:13:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 01:13:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 01:13:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 01:13:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 01:13:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:13:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:13:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:13:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:13:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:13:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:13:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:13:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:13:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:13:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:13:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:13:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:13:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:13:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:13:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:13:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:13:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:13:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:13:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:13:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:13:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 01:13:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:13:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:13:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:13:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:13:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 01:13:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 01:13:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 01:13:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 01:13:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 01:13:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-28 01:13:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-28 01:13:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:13:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:13:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:13:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:13:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:13:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:13:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:13:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:13:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:13:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:13:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:13:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:13:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:13:24,464 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:13:24,465 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-28 01:13:24,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:13:24 BoogieIcfgContainer [2020-10-28 01:13:24,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:13:24,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:13:24,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:13:24,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:13:24,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:13:22" (1/3) ... [2020-10-28 01:13:24,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bcd885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:13:24, skipping insertion in model container [2020-10-28 01:13:24,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:13:23" (2/3) ... [2020-10-28 01:13:24,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58bcd885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:13:24, skipping insertion in model container [2020-10-28 01:13:24,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:13:24" (3/3) ... [2020-10-28 01:13:24,478 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.12.cil.c [2020-10-28 01:13:24,490 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:13:24,497 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:13:24,511 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:13:24,540 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:13:24,541 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:13:24,541 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:13:24,541 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:13:24,541 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:13:24,542 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:13:24,542 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:13:24,542 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:13:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states. [2020-10-28 01:13:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:13:24,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:24,625 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] [2020-10-28 01:13:24,626 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:24,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:24,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1795315903, now seen corresponding path program 1 times [2020-10-28 01:13:24,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:24,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930660764] [2020-10-28 01:13:24,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:25,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:25,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:25,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:26,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:27,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:28,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:29,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:30,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:30,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:13:30,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 01:13:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-28 01:13:30,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-10-28 01:13:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:30,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:13:30,670 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:13:30,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:30,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:30,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:30,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:13:30,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:30,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:30,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:30,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:30,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:30,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:30,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:30,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:30,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:30,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:30,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:30,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:30,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:30,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:30,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:30,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:30,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:13:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:13:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:30,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:30,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:13:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:30,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:30,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:30,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:13:30,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:13:30,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:30,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:13:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:31,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:31,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:32,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:13:36,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 01:13:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 01:13:36,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 01:13:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:36,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:36,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:36,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:13:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:36,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:13:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:36,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:36,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:13:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:13:36,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:13:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:36,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:13:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:36,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:13:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:36,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:36,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:13:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:36,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:13:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:13:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:36,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:13:36,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:36,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:13:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:13:36,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 01:13:36,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:13:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:13:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:36,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:13:36,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930660764] [2020-10-28 01:13:36,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:36,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:13:36,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016032606] [2020-10-28 01:13:36,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:13:36,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:36,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:13:36,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:13:36,554 INFO L87 Difference]: Start difference. First operand 473 states. Second operand 10 states. [2020-10-28 01:13:36,797 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:13:37,056 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:13:40,622 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:13:41,120 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-10-28 01:13:41,332 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:13:41,806 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:13:42,017 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 01:13:42,454 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-28 01:13:49,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:13:49,617 INFO L93 Difference]: Finished difference Result 1221 states and 2019 transitions. [2020-10-28 01:13:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:13:49,620 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-10-28 01:13:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:13:49,645 INFO L225 Difference]: With dead ends: 1221 [2020-10-28 01:13:49,646 INFO L226 Difference]: Without dead ends: 767 [2020-10-28 01:13:49,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:13:49,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-28 01:13:49,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 466. [2020-10-28 01:13:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-28 01:13:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 679 transitions. [2020-10-28 01:13:49,882 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 679 transitions. Word has length 241 [2020-10-28 01:13:49,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:13:49,886 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 679 transitions. [2020-10-28 01:13:49,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:13:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 679 transitions. [2020-10-28 01:13:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:13:49,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:13:49,903 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] [2020-10-28 01:13:49,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:13:49,904 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:13:49,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:13:49,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1740923005, now seen corresponding path program 1 times [2020-10-28 01:13:49,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:13:49,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626770913] [2020-10-28 01:13:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:13:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:51,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:53,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:53,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:53,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:53,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:53,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:54,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:54,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:54,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:13:54,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:13:54,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-28 01:13:54,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-10-28 01:13:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:54,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:55,482 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:13:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:13:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:55,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:55,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:55,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:13:55,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:55,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:55,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:13:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:55,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:13:55,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:13:55,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:55,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:13:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:55,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:55,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:13:55,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:13:55,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:55,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:13:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:55,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:55,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:13:55,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:55,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:13:55,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:55,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:55,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:55,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:55,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:13:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:55,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:55,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:55,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:13:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:55,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:55,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:13:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:13:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2402 [2020-10-28 01:13:58,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:13:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-28 01:13:58,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:13:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:13:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:13:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:13:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:13:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:13:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:13:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:13:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:13:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:13:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:13:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:13:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:13:58,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:13:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:13:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:13:58,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:13:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:58,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:13:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:13:58,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:13:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:58,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:13:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:13:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:13:58,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:58,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:13:58,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:13:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:13:58,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:13:58,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:13:58,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:13:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:13:58,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:13:58,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:13:58,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:13:58,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:13:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:13:58,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:13:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:13:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:13:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:13:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:13:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:13:58,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626770913] [2020-10-28 01:13:58,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:13:58,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:13:58,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365400441] [2020-10-28 01:13:58,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:13:58,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:13:58,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:13:58,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:13:58,551 INFO L87 Difference]: Start difference. First operand 466 states and 679 transitions. Second operand 10 states. [2020-10-28 01:13:58,777 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:13:59,013 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:14:01,831 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:14:02,271 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-28 01:14:02,479 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:14:02,963 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:14:03,173 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:14:03,589 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:14:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:11,320 INFO L93 Difference]: Finished difference Result 1220 states and 1901 transitions. [2020-10-28 01:14:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:14:11,320 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-10-28 01:14:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:11,332 INFO L225 Difference]: With dead ends: 1220 [2020-10-28 01:14:11,332 INFO L226 Difference]: Without dead ends: 785 [2020-10-28 01:14:11,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:14:11,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2020-10-28 01:14:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 471. [2020-10-28 01:14:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-28 01:14:11,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 684 transitions. [2020-10-28 01:14:11,468 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 684 transitions. Word has length 241 [2020-10-28 01:14:11,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:11,468 INFO L481 AbstractCegarLoop]: Abstraction has 471 states and 684 transitions. [2020-10-28 01:14:11,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:14:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 684 transitions. [2020-10-28 01:14:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:14:11,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:11,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:14:11,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:14:11,474 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:11,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:11,474 INFO L82 PathProgramCache]: Analyzing trace with hash -199659009, now seen corresponding path program 1 times [2020-10-28 01:14:11,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:11,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273098286] [2020-10-28 01:14:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:11,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:11,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:11,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:12,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:13,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:13,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:14,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:15,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:16,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:16,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:14:16,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-28 01:14:16,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 01:14:16,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-28 01:14:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,067 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:14:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:17,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:14:17,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:17,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:17,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:17,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:17,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:14:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:17,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:14:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:14:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:14:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:14:17,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:14:17,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-28 01:14:17,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:17,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-28 01:14:17,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:17,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:17,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:17,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:17,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:17,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:17,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:17,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:14:18,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:14:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:14:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:14:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:18,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:14:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:18,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:14:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:14:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:14:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:18,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:14:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:18,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:14:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:18,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:14:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:14:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:18,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:14:18,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273098286] [2020-10-28 01:14:18,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:14:18,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:14:18,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673620891] [2020-10-28 01:14:18,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:14:18,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:18,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:14:18,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:14:18,263 INFO L87 Difference]: Start difference. First operand 471 states and 684 transitions. Second operand 10 states. [2020-10-28 01:14:18,451 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:14:18,671 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:14:21,257 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:14:21,681 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-28 01:14:22,129 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:14:22,337 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:14:22,825 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:14:22,999 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:14:29,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:29,762 INFO L93 Difference]: Finished difference Result 1240 states and 1927 transitions. [2020-10-28 01:14:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:14:29,763 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-10-28 01:14:29,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:29,771 INFO L225 Difference]: With dead ends: 1240 [2020-10-28 01:14:29,771 INFO L226 Difference]: Without dead ends: 800 [2020-10-28 01:14:29,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:14:29,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-28 01:14:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 476. [2020-10-28 01:14:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-28 01:14:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 689 transitions. [2020-10-28 01:14:29,887 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 689 transitions. Word has length 241 [2020-10-28 01:14:29,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:29,888 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 689 transitions. [2020-10-28 01:14:29,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:14:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 689 transitions. [2020-10-28 01:14:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:14:29,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:29,893 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] [2020-10-28 01:14:29,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:14:29,893 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:29,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:29,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1238243583, now seen corresponding path program 1 times [2020-10-28 01:14:29,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:29,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835837121] [2020-10-28 01:14:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:29,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:31,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:31,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:31,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:31,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:32,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:33,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:34,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:34,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,388 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:14:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:35,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:14:35,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:35,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:14:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:35,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:35,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:14:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:14:35,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:14:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:14:35,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:14:35,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:14:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:14:35,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 01:14:35,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:14:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:14:35,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:14:35,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:14:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:14:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:14:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:14:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:14:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:14:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:14:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:14:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:14:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:14:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:14:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:14:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:14:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:14:35,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:14:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:14:35,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:14:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:35,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:35,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:35,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:35,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:35,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:35,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:14:35,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835837121] [2020-10-28 01:14:36,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:14:36,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:14:36,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538511893] [2020-10-28 01:14:36,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:14:36,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:36,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:14:36,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:14:36,001 INFO L87 Difference]: Start difference. First operand 476 states and 689 transitions. Second operand 10 states. [2020-10-28 01:14:36,186 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:14:36,400 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:14:38,496 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:14:38,931 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-28 01:14:39,121 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:14:39,553 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:14:39,744 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-28 01:14:40,173 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-28 01:14:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:14:48,768 INFO L93 Difference]: Finished difference Result 1263 states and 1958 transitions. [2020-10-28 01:14:48,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:14:48,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 241 [2020-10-28 01:14:48,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:14:48,776 INFO L225 Difference]: With dead ends: 1263 [2020-10-28 01:14:48,777 INFO L226 Difference]: Without dead ends: 818 [2020-10-28 01:14:48,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:14:48,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-10-28 01:14:48,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 481. [2020-10-28 01:14:48,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-28 01:14:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 694 transitions. [2020-10-28 01:14:48,889 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 694 transitions. Word has length 241 [2020-10-28 01:14:48,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:14:48,889 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 694 transitions. [2020-10-28 01:14:48,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:14:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 694 transitions. [2020-10-28 01:14:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:14:48,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:14:48,894 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] [2020-10-28 01:14:48,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:14:48,894 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:14:48,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:14:48,895 INFO L82 PathProgramCache]: Analyzing trace with hash -820354881, now seen corresponding path program 1 times [2020-10-28 01:14:48,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:14:48,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202665363] [2020-10-28 01:14:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:14:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:48,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:50,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:51,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:51,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:51,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:51,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:51,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:53,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:53,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:14:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,371 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:14:54,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:14:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:14:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:14:54,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:14:54,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:14:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:14:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:14:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:14:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:14:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:14:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:14:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:14:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:14:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:14:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:14:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:14:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:14:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:14:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:14:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:14:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:14:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:14:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:14:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:14:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:14:54,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:14:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:14:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:14:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:14:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:14:54,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:14:54,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:14:54,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:14:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:14:54,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:14:54,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:14:54,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:14:54,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:14:54,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:14:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:14:54,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202665363] [2020-10-28 01:14:54,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:14:54,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:14:54,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463547130] [2020-10-28 01:14:54,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:14:54,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:14:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:14:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:14:54,798 INFO L87 Difference]: Start difference. First operand 481 states and 694 transitions. Second operand 8 states. [2020-10-28 01:14:55,236 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:14:55,401 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:14:55,833 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 01:14:56,030 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:15:03,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:15:03,334 INFO L93 Difference]: Finished difference Result 1251 states and 1889 transitions. [2020-10-28 01:15:03,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:15:03,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-28 01:15:03,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:15:03,342 INFO L225 Difference]: With dead ends: 1251 [2020-10-28 01:15:03,343 INFO L226 Difference]: Without dead ends: 786 [2020-10-28 01:15:03,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:15:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-28 01:15:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 481. [2020-10-28 01:15:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-28 01:15:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 693 transitions. [2020-10-28 01:15:03,519 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 693 transitions. Word has length 241 [2020-10-28 01:15:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:15:03,520 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 693 transitions. [2020-10-28 01:15:03,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:15:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 693 transitions. [2020-10-28 01:15:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:15:03,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:15:03,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:15:03,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:15:03,524 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:15:03,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:15:03,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1907314431, now seen corresponding path program 1 times [2020-10-28 01:15:03,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:15:03,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629559540] [2020-10-28 01:15:03,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:15:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:03,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:03,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:03,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:03,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:04,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:05,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:05,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:05,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:05,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:05,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:08,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:08,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:15:08,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 01:15:08,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 01:15:08,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:15:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 01:15:08,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,019 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:15:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:15:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:15:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:15:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:15:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:15:09,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:15:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:09,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 01:15:09,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:15:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:15:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:15:09,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:15:09,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:15:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:15:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:15:09,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 01:15:09,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 01:15:09,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:15:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:15:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:15:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:15:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:15:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:15:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:15:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:15:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:15:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:09,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:15:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:15:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:15:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:15:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:09,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:15:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:15:09,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:15:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:15:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:15:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:09,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:09,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:15:09,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:09,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:15:09,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:09,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:15:09,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629559540] [2020-10-28 01:15:09,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:15:09,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:15:09,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868889577] [2020-10-28 01:15:09,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:15:09,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:15:09,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:15:09,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:15:09,603 INFO L87 Difference]: Start difference. First operand 481 states and 693 transitions. Second operand 8 states. [2020-10-28 01:15:10,058 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:15:10,230 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:15:10,693 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 01:15:10,917 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:15:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:15:18,443 INFO L93 Difference]: Finished difference Result 1243 states and 1872 transitions. [2020-10-28 01:15:18,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:15:18,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-28 01:15:18,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:15:18,451 INFO L225 Difference]: With dead ends: 1243 [2020-10-28 01:15:18,451 INFO L226 Difference]: Without dead ends: 786 [2020-10-28 01:15:18,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:15:18,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-10-28 01:15:18,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 481. [2020-10-28 01:15:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-28 01:15:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 692 transitions. [2020-10-28 01:15:18,565 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 692 transitions. Word has length 241 [2020-10-28 01:15:18,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:15:18,565 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 692 transitions. [2020-10-28 01:15:18,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:15:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 692 transitions. [2020-10-28 01:15:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:15:18,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:15:18,568 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] [2020-10-28 01:15:18,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:15:18,568 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:15:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:15:18,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1850449085, now seen corresponding path program 1 times [2020-10-28 01:15:18,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:15:18,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392375299] [2020-10-28 01:15:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:15:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:18,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:18,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:18,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:18,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 01:15:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,024 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:15:24,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:15:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:15:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:15:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:15:24,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:15:24,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:15:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:15:24,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:15:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:15:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 01:15:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:15:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-28 01:15:24,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:15:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:15:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:15:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:15:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:15:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:15:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:15:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:15:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:15:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:15:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:15:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:15:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:15:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:15:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:15:24,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 01:15:24,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:15:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:15:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:15:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:15:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:24,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:15:24,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:15:24,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392375299] [2020-10-28 01:15:24,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:15:24,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:15:24,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068268947] [2020-10-28 01:15:24,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:15:24,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:15:24,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:15:24,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:15:24,652 INFO L87 Difference]: Start difference. First operand 481 states and 692 transitions. Second operand 9 states. [2020-10-28 01:15:24,831 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:15:25,073 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:15:25,785 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-28 01:15:26,892 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 01:15:27,208 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:15:30,812 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-28 01:15:31,253 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-10-28 01:15:32,226 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 01:15:45,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:15:45,396 INFO L93 Difference]: Finished difference Result 2194 states and 3316 transitions. [2020-10-28 01:15:45,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 01:15:45,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-28 01:15:45,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:15:45,411 INFO L225 Difference]: With dead ends: 2194 [2020-10-28 01:15:45,412 INFO L226 Difference]: Without dead ends: 1745 [2020-10-28 01:15:45,415 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-28 01:15:45,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2020-10-28 01:15:45,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1276. [2020-10-28 01:15:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1276 states. [2020-10-28 01:15:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1883 transitions. [2020-10-28 01:15:45,854 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1883 transitions. Word has length 241 [2020-10-28 01:15:45,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:15:45,855 INFO L481 AbstractCegarLoop]: Abstraction has 1276 states and 1883 transitions. [2020-10-28 01:15:45,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:15:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1883 transitions. [2020-10-28 01:15:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:15:45,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:15:45,860 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] [2020-10-28 01:15:45,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:15:45,860 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:15:45,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:15:45,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1369368827, now seen corresponding path program 1 times [2020-10-28 01:15:45,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:15:45,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39013452] [2020-10-28 01:15:45,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:15:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:48,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:49,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:50,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:50,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 01:15:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,357 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:15:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:15:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:15:51,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:15:51,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:15:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:15:51,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:15:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:15:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:15:51,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:15:51,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,609 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-28 01:15:51,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:15:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:15:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 01:15:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:15:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:15:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:51,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:15:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:15:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:51,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:15:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:15:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:51,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:15:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:15:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:15:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:15:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:15:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:15:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:15:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:15:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:15:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:15:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:15:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:15:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:15:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:15:51,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:15:51,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:15:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:15:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:15:51,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:15:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:15:51,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 01:15:51,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:15:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:15:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:15:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:15:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:15:51,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:15:51,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:15:51,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:15:51,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:15:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:15:51,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39013452] [2020-10-28 01:15:51,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:15:51,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:15:51,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466500789] [2020-10-28 01:15:51,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:15:51,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:15:51,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:15:51,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:15:51,955 INFO L87 Difference]: Start difference. First operand 1276 states and 1883 transitions. Second operand 9 states. [2020-10-28 01:15:52,149 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:15:52,399 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:15:53,908 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:15:54,217 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:15:55,766 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:15:56,060 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:15:58,766 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-28 01:16:16,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:16:16,449 INFO L93 Difference]: Finished difference Result 5912 states and 9342 transitions. [2020-10-28 01:16:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 01:16:16,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-28 01:16:16,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:16:16,480 INFO L225 Difference]: With dead ends: 5912 [2020-10-28 01:16:16,481 INFO L226 Difference]: Without dead ends: 4670 [2020-10-28 01:16:16,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2020-10-28 01:16:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4670 states. [2020-10-28 01:16:17,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4670 to 3547. [2020-10-28 01:16:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3547 states. [2020-10-28 01:16:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 5310 transitions. [2020-10-28 01:16:17,552 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 5310 transitions. Word has length 241 [2020-10-28 01:16:17,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:16:17,553 INFO L481 AbstractCegarLoop]: Abstraction has 3547 states and 5310 transitions. [2020-10-28 01:16:17,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:16:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 5310 transitions. [2020-10-28 01:16:17,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:16:17,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:16:17,560 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] [2020-10-28 01:16:17,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:16:17,560 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:16:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:16:17,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1617515321, now seen corresponding path program 1 times [2020-10-28 01:16:17,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:16:17,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10340516] [2020-10-28 01:16:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:16:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:17,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:17,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:17,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:17,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:17,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:17,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:18,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:18,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:20,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:20,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:21,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:22,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:22,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:16:22,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-28 01:16:22,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 01:16:22,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:16:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 01:16:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-28 01:16:22,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,051 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:16:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:16:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:16:23,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:16:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:16:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:16:23,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:16:23,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:16:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:16:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:16:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:16:23,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:16:23,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:16:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:16:23,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:16:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-28 01:16:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:16:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:16:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:16:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:16:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:16:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:16:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:16:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:23,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:16:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:16:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:16:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:16:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:16:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:16:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:23,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:23,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:16:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:16:23,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:16:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:16:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:16:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:23,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:23,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:16:23,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:23,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:16:23,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10340516] [2020-10-28 01:16:23,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:16:23,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:16:23,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198709037] [2020-10-28 01:16:23,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:16:23,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:16:23,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:16:23,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:16:23,558 INFO L87 Difference]: Start difference. First operand 3547 states and 5310 transitions. Second operand 9 states. [2020-10-28 01:16:23,744 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:16:23,969 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 01:16:25,712 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 01:16:26,009 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:16:29,785 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-28 01:16:30,970 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-28 01:16:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:16:43,931 INFO L93 Difference]: Finished difference Result 11129 states and 17282 transitions. [2020-10-28 01:16:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 01:16:43,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-28 01:16:43,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:16:43,988 INFO L225 Difference]: With dead ends: 11129 [2020-10-28 01:16:43,988 INFO L226 Difference]: Without dead ends: 8861 [2020-10-28 01:16:44,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 01:16:44,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8861 states. [2020-10-28 01:16:45,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8861 to 6847. [2020-10-28 01:16:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6847 states. [2020-10-28 01:16:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6847 states to 6847 states and 10187 transitions. [2020-10-28 01:16:45,549 INFO L78 Accepts]: Start accepts. Automaton has 6847 states and 10187 transitions. Word has length 241 [2020-10-28 01:16:45,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:16:45,549 INFO L481 AbstractCegarLoop]: Abstraction has 6847 states and 10187 transitions. [2020-10-28 01:16:45,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:16:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6847 states and 10187 transitions. [2020-10-28 01:16:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-28 01:16:45,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:16:45,562 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] [2020-10-28 01:16:45,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:16:45,562 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:16:45,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:16:45,563 INFO L82 PathProgramCache]: Analyzing trace with hash -2051244407, now seen corresponding path program 1 times [2020-10-28 01:16:45,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:16:45,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749289359] [2020-10-28 01:16:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:16:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:45,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:45,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:45,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:45,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:45,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:45,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:46,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:46,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:47,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:47,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:47,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:48,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:49,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:49,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:50,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 01:16:50,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,049 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-28 01:16:51,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:16:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:16:51,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:16:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:16:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:16:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:16:51,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:16:51,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:16:51,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:16:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 01:16:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:16:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:16:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 01:16:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 01:16:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:16:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:16:51,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 01:16:51,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 01:16:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:16:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:16:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:51,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:16:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:16:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:16:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:16:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:16:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:16:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:16:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:16:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:16:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 01:16:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 01:16:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:16:51,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:16:51,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-28 01:16:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 01:16:51,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:16:51,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 01:16:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-28 01:16:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:16:51,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:16:51,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:16:51,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:16:51,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:16:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:16:51,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:16:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:16:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:16:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:16:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:16:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:16:51,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749289359] [2020-10-28 01:16:51,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:16:51,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:16:51,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711933991] [2020-10-28 01:16:51,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:16:51,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:16:51,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:16:51,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:16:51,537 INFO L87 Difference]: Start difference. First operand 6847 states and 10187 transitions. Second operand 9 states. [2020-10-28 01:16:51,989 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-28 01:16:52,152 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:16:52,393 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 01:17:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:17:02,589 INFO L93 Difference]: Finished difference Result 14394 states and 22085 transitions. [2020-10-28 01:17:02,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:17:02,590 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 241 [2020-10-28 01:17:02,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:17:02,640 INFO L225 Difference]: With dead ends: 14394 [2020-10-28 01:17:02,640 INFO L226 Difference]: Without dead ends: 8796 [2020-10-28 01:17:02,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:17:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8796 states.