/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:44:12,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:44:12,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:44:12,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:44:12,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:44:12,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:44:12,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:44:12,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:44:12,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:44:12,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:44:12,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:44:12,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:44:12,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:44:12,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:44:12,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:44:12,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:44:12,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:44:12,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:44:12,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:44:12,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:44:12,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:44:12,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:44:12,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:44:12,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:44:12,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:44:12,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:44:12,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:44:12,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:44:12,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:44:12,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:44:12,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:44:12,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:44:12,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:44:12,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:44:12,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:44:12,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:44:12,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:44:12,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:44:12,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:44:12,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:44:12,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:44:12,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:44:12,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:44:12,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:44:12,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:44:12,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:44:12,878 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:44:12,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:44:12,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:44:12,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:44:12,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:44:12,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:44:12,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:44:12,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:44:12,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:44:12,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:44:12,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:44:12,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:44:12,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:44:12,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:44:12,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:44:12,882 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:44:12,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:44:12,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:44:12,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:44:12,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:44:12,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:44:12,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:44:12,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:44:12,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:44:12,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:44:12,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:44:13,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:44:13,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:44:13,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:44:13,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:44:13,297 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:44:13,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-10-27 06:44:13,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/938b97137/ecbc21a0ef604107b330deb6744ce477/FLAGe296bb652 [2020-10-27 06:44:14,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:44:14,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-10-27 06:44:14,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/938b97137/ecbc21a0ef604107b330deb6744ce477/FLAGe296bb652 [2020-10-27 06:44:14,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/938b97137/ecbc21a0ef604107b330deb6744ce477 [2020-10-27 06:44:14,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:44:14,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:44:14,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:44:14,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:44:14,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:44:14,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179c13ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14, skipping insertion in model container [2020-10-27 06:44:14,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:44:14,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:44:14,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:44:14,835 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:44:14,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:44:15,051 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:44:15,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15 WrapperNode [2020-10-27 06:44:15,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:44:15,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:44:15,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:44:15,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:44:15,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... [2020-10-27 06:44:15,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:44:15,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:44:15,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:44:15,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:44:15,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:44:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:44:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:44:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:44:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:44:15,296 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:44:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:44:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:44:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:44:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:44:15,297 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:44:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:44:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:44:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:44:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-27 06:44:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-27 06:44:15,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-27 06:44:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-27 06:44:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-27 06:44:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit14 [2020-10-27 06:44:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:44:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:44:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:44:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:44:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:44:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:44:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:44:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:44:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:44:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-27 06:44:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-27 06:44:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-27 06:44:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-27 06:44:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-27 06:44:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit14_triggered [2020-10-27 06:44:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:44:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:44:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:44:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:44:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:44:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:44:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:44:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:44:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:44:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:44:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:44:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:44:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:44:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:44:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:44:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:44:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:44:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:44:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-27 06:44:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit14_triggered [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:44:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:44:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit14 [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:44:15,309 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:44:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:44:15,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:44:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:44:16,602 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:44:16,603 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-27 06:44:16,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:44:16 BoogieIcfgContainer [2020-10-27 06:44:16,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:44:16,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:44:16,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:44:16,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:44:16,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:44:14" (1/3) ... [2020-10-27 06:44:16,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6709423a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:44:16, skipping insertion in model container [2020-10-27 06:44:16,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:15" (2/3) ... [2020-10-27 06:44:16,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6709423a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:44:16, skipping insertion in model container [2020-10-27 06:44:16,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:44:16" (3/3) ... [2020-10-27 06:44:16,615 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2020-10-27 06:44:16,629 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:44:16,635 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:44:16,650 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:44:16,696 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:44:16,697 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:44:16,697 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:44:16,697 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:44:16,698 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:44:16,698 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:44:16,698 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:44:16,698 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:44:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states. [2020-10-27 06:44:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 06:44:16,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:16,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:16,782 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:16,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:16,793 INFO L82 PathProgramCache]: Analyzing trace with hash 858426230, now seen corresponding path program 1 times [2020-10-27 06:44:16,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:16,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274526263] [2020-10-27 06:44:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:18,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:19,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-27 06:44:22,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:44:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-27 06:44:22,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:44:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 06:44:22,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 06:44:22,902 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-27 06:44:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:22,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 06:44:22,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:23,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:44:23,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:44:23,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:23,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:44:23,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:44:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:44:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:23,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:44:23,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:23,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:44:23,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 06:44:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:44:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:23,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:24,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 06:44:28,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:44:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:44:28,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 06:44:28,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:44:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:44:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:28,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:28,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 06:44:28,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:28,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 06:44:28,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:44:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:44:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:28,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 06:44:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:44:28,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:44:28,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:44:28,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:28,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 06:44:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:28,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:28,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:28,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274526263] [2020-10-27 06:44:28,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:28,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:44:28,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227435124] [2020-10-27 06:44:28,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:44:28,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:28,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:44:28,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:44:28,945 INFO L87 Difference]: Start difference. First operand 530 states. Second operand 8 states. [2020-10-27 06:44:29,554 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:44:29,772 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:44:30,075 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:44:37,486 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:44:37,867 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:44:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:47,810 INFO L93 Difference]: Finished difference Result 2160 states and 3627 transitions. [2020-10-27 06:44:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:44:47,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 255 [2020-10-27 06:44:47,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:47,845 INFO L225 Difference]: With dead ends: 2160 [2020-10-27 06:44:47,846 INFO L226 Difference]: Without dead ends: 1644 [2020-10-27 06:44:47,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:44:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2020-10-27 06:44:48,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1094. [2020-10-27 06:44:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2020-10-27 06:44:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1621 transitions. [2020-10-27 06:44:48,328 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1621 transitions. Word has length 255 [2020-10-27 06:44:48,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:48,332 INFO L481 AbstractCegarLoop]: Abstraction has 1094 states and 1621 transitions. [2020-10-27 06:44:48,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:44:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1621 transitions. [2020-10-27 06:44:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 06:44:48,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:48,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:48,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:44:48,345 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:48,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:48,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2114024277, now seen corresponding path program 1 times [2020-10-27 06:44:48,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:48,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808249382] [2020-10-27 06:44:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:53,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-27 06:44:53,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 06:44:53,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 06:44:53,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:53,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:44:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:53,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-27 06:44:53,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:53,965 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-27 06:44:53,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:54,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:44:54,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:54,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:54,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:54,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:54,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:44:54,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:44:54,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:54,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:54,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:54,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:54,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:54,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:54,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:44:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:54,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:44:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 06:44:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:54,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:44:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:44:59,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:59,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:59,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:59,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:44:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:44:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 06:44:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:44:59,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:44:59,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:44:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:44:59,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 06:44:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:59,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:59,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:59,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808249382] [2020-10-27 06:44:59,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:59,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:44:59,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011841963] [2020-10-27 06:44:59,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:44:59,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:59,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:44:59,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:44:59,904 INFO L87 Difference]: Start difference. First operand 1094 states and 1621 transitions. Second operand 11 states. [2020-10-27 06:45:00,468 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:45:00,666 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:45:00,940 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:45:03,003 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:45:03,548 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-27 06:45:04,110 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:45:04,643 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-27 06:45:04,979 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-27 06:45:09,577 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:45:12,265 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-27 06:45:12,874 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:45:13,530 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:45:14,065 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-27 06:45:14,896 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 06:45:28,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:28,497 INFO L93 Difference]: Finished difference Result 4347 states and 6920 transitions. [2020-10-27 06:45:28,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 06:45:28,501 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2020-10-27 06:45:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:28,530 INFO L225 Difference]: With dead ends: 4347 [2020-10-27 06:45:28,530 INFO L226 Difference]: Without dead ends: 3286 [2020-10-27 06:45:28,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:45:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2020-10-27 06:45:29,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 2212. [2020-10-27 06:45:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2212 states. [2020-10-27 06:45:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 3303 transitions. [2020-10-27 06:45:29,036 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 3303 transitions. Word has length 255 [2020-10-27 06:45:29,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:29,037 INFO L481 AbstractCegarLoop]: Abstraction has 2212 states and 3303 transitions. [2020-10-27 06:45:29,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:45:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 3303 transitions. [2020-10-27 06:45:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 06:45:29,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:29,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:29,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:45:29,042 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1022704172, now seen corresponding path program 1 times [2020-10-27 06:45:29,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:29,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447017212] [2020-10-27 06:45:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:29,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:32,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:45:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 06:45:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,660 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-27 06:45:34,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:34,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:45:34,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:34,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:34,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:34,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:34,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:45:34,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:45:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:45:34,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:45:34,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 06:45:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:45:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:45:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:40,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:40,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:40,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:40,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:40,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:45:40,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:45:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:40,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:45:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:45:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:40,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:45:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:45:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:45:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:45:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:40,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:45:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 06:45:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:45:40,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:45:40,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:45:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 06:45:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:40,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:40,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:40,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447017212] [2020-10-27 06:45:40,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:40,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:45:40,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693568967] [2020-10-27 06:45:40,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:45:40,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:40,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:45:40,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:45:40,373 INFO L87 Difference]: Start difference. First operand 2212 states and 3303 transitions. Second operand 11 states. [2020-10-27 06:45:40,903 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:45:41,127 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:45:41,431 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:45:41,889 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 06:45:43,635 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:45:44,282 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-27 06:45:44,935 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:45:45,516 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:45:45,870 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 06:45:50,556 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:45:54,268 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:45:54,890 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-27 06:45:55,487 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-27 06:45:56,065 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:45:56,882 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 06:46:04,580 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:46:04,926 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 06:46:09,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:09,404 INFO L93 Difference]: Finished difference Result 8839 states and 14131 transitions. [2020-10-27 06:46:09,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:46:09,405 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2020-10-27 06:46:09,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:09,452 INFO L225 Difference]: With dead ends: 8839 [2020-10-27 06:46:09,452 INFO L226 Difference]: Without dead ends: 6660 [2020-10-27 06:46:09,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-27 06:46:09,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6660 states. [2020-10-27 06:46:10,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6660 to 4460. [2020-10-27 06:46:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4460 states. [2020-10-27 06:46:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 4460 states and 6680 transitions. [2020-10-27 06:46:10,343 INFO L78 Accepts]: Start accepts. Automaton has 4460 states and 6680 transitions. Word has length 255 [2020-10-27 06:46:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:10,346 INFO L481 AbstractCegarLoop]: Abstraction has 4460 states and 6680 transitions. [2020-10-27 06:46:10,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:46:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4460 states and 6680 transitions. [2020-10-27 06:46:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 06:46:10,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:10,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:10,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:46:10,351 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:10,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:10,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1578235125, now seen corresponding path program 1 times [2020-10-27 06:46:10,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:10,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413018919] [2020-10-27 06:46:10,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:10,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:10,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:15,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-27 06:46:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:15,951 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-27 06:46:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:15,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:15,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:16,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:16,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:16,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:16,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:16,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:46:16,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:16,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:16,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:16,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:16,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:46:16,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:16,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:46:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:16,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:16,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:46:16,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:16,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:46:16,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 06:46:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:46:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:16,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:16,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:46:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:46:21,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:21,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:21,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:46:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:46:21,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:46:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:46:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:46:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:46:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:46:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:46:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:21,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 06:46:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:46:21,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:46:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:46:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 06:46:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:21,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:21,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:46:21,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413018919] [2020-10-27 06:46:21,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:21,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:46:21,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807051168] [2020-10-27 06:46:21,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:46:21,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:21,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:46:21,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:46:21,601 INFO L87 Difference]: Start difference. First operand 4460 states and 6680 transitions. Second operand 12 states. [2020-10-27 06:46:22,147 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:46:22,356 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:46:22,651 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:46:23,017 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 06:46:24,652 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:46:25,198 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-27 06:46:25,764 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:46:25,987 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 06:46:26,538 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:46:26,758 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-27 06:46:30,845 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 06:46:31,945 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 06:46:34,580 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-27 06:46:35,366 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-27 06:46:35,977 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:46:36,595 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-27 06:46:36,820 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 06:46:37,429 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-10-27 06:46:37,669 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 06:46:39,885 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-27 06:46:40,137 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-10-27 06:46:40,582 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 06:46:50,703 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-27 06:46:51,301 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-27 06:46:51,664 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-27 06:46:52,249 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-27 06:47:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:47:01,256 INFO L93 Difference]: Finished difference Result 23701 states and 38782 transitions. [2020-10-27 06:47:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 06:47:01,257 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 255 [2020-10-27 06:47:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:47:01,389 INFO L225 Difference]: With dead ends: 23701 [2020-10-27 06:47:01,389 INFO L226 Difference]: Without dead ends: 19274 [2020-10-27 06:47:01,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=380, Invalid=1260, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 06:47:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19274 states. [2020-10-27 06:47:04,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19274 to 13622. [2020-10-27 06:47:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13622 states. [2020-10-27 06:47:04,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13622 states to 13622 states and 20843 transitions. [2020-10-27 06:47:04,182 INFO L78 Accepts]: Start accepts. Automaton has 13622 states and 20843 transitions. Word has length 255 [2020-10-27 06:47:04,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:47:04,183 INFO L481 AbstractCegarLoop]: Abstraction has 13622 states and 20843 transitions. [2020-10-27 06:47:04,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:47:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 13622 states and 20843 transitions. [2020-10-27 06:47:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 06:47:04,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:47:04,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:47:04,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:47:04,188 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:47:04,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:47:04,188 INFO L82 PathProgramCache]: Analyzing trace with hash -986302156, now seen corresponding path program 1 times [2020-10-27 06:47:04,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:47:04,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780937915] [2020-10-27 06:47:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:47:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:04,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:04,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:09,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:09,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-27 06:47:09,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:47:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 06:47:09,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:47:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:47:09,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:47:09,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:09,800 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-27 06:47:09,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:47:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:09,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:09,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:47:09,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:47:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:09,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:47:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:47:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:09,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:47:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:09,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:47:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:09,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:09,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:47:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:47:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:10,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 06:47:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:47:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:10,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:14,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:47:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:47:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:47:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:47:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:47:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:47:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:47:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:47:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:47:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:47:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:47:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:47:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:47:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:47:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:47:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:47:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:47:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:15,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 06:47:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:47:15,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:47:15,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:47:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 06:47:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:15,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:15,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:15,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:47:15,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:15,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:47:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:47:15,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780937915] [2020-10-27 06:47:15,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:47:15,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:47:15,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710225486] [2020-10-27 06:47:15,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:47:15,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:47:15,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:47:15,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:47:15,471 INFO L87 Difference]: Start difference. First operand 13622 states and 20843 transitions. Second operand 13 states. [2020-10-27 06:47:16,042 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:47:16,266 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 06:47:16,580 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 06:47:17,048 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 06:47:19,145 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:47:19,724 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2020-10-27 06:47:20,310 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:47:20,549 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 06:47:21,136 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-27 06:47:21,352 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 06:47:35,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:47:35,866 INFO L93 Difference]: Finished difference Result 33340 states and 54197 transitions. [2020-10-27 06:47:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:47:35,867 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 255 [2020-10-27 06:47:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:47:35,986 INFO L225 Difference]: With dead ends: 33340 [2020-10-27 06:47:35,986 INFO L226 Difference]: Without dead ends: 19750 [2020-10-27 06:47:36,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:47:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19750 states. [2020-10-27 06:47:38,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19750 to 13742. [2020-10-27 06:47:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13742 states. [2020-10-27 06:47:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13742 states to 13742 states and 20891 transitions. [2020-10-27 06:47:38,601 INFO L78 Accepts]: Start accepts. Automaton has 13742 states and 20891 transitions. Word has length 255 [2020-10-27 06:47:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:47:38,601 INFO L481 AbstractCegarLoop]: Abstraction has 13742 states and 20891 transitions. [2020-10-27 06:47:38,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:47:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 13742 states and 20891 transitions. [2020-10-27 06:47:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-27 06:47:38,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:47:38,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:47:38,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:47:38,606 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:47:38,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:47:38,607 INFO L82 PathProgramCache]: Analyzing trace with hash 111879670, now seen corresponding path program 1 times [2020-10-27 06:47:38,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:47:38,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740644659] [2020-10-27 06:47:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:47:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:38,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:38,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:38,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:38,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:39,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:41,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:41,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:43,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:43,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 06:47:43,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:44,205 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2020-10-27 06:47:44,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:47:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:44,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:44,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:47:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:44,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:47:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:44,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:47:44,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:47:44,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:47:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:44,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:47:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:44,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:47:44,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:44,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:47:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:44,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:47:44,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:44,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 06:47:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:44,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 06:47:44,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 06:47:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:44,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 06:47:49,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:47:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:47:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:47:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 06:47:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:47:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:47:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:49,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:47:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:47:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:47:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:47:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:47:49,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:49,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:47:49,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:47:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:47:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:47:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:47:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:47:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:47:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:47:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:47:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:47:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:47:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:49,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-27 06:47:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 06:47:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:49,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:49,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:47:49,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:49,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:47:49,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740644659] [2020-10-27 06:47:49,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:47:49,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:47:49,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368164720] [2020-10-27 06:47:49,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:47:49,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:47:49,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:47:49,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:47:49,879 INFO L87 Difference]: Start difference. First operand 13742 states and 20891 transitions. Second operand 13 states. [2020-10-27 06:47:50,460 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2020-10-27 06:47:50,692 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 06:47:51,010 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 06:47:51,433 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94