/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.07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:42:13,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:42:13,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:42:13,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:42:13,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:42:13,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:42:13,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:42:13,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:42:13,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:42:13,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:42:13,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:42:13,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:42:13,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:42:13,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:42:13,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:42:13,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:42:13,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:42:13,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:42:13,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:42:13,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:42:13,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:42:13,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:42:13,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:42:13,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:42:13,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:42:13,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:42:13,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:42:13,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:42:13,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:42:13,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:42:13,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:42:13,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:42:13,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:42:13,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:42:13,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:42:13,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:42:13,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:42:13,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:42:13,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:42:13,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:42:13,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:42:13,982 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 06:42:14,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:42:14,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:42:14,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:42:14,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:42:14,039 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:42:14,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:42:14,039 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:42:14,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:42:14,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:42:14,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:42:14,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:42:14,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:42:14,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:42:14,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:42:14,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:42:14,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:42:14,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:42:14,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:42:14,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:42:14,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:42:14,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:42:14,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:42:14,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:42:14,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:42:14,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:42:14,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:42:14,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:42:14,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:42:14,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:42:14,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:42:14,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:42:14,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:42:14,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:42:14,466 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:42:14,467 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:42:14,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.07.cil.c [2020-10-27 06:42:14,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c75fa2ae/91f1cba8f23a4f3185c10d1d74d3f983/FLAG56800ab12 [2020-10-27 06:42:15,094 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:42:15,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.07.cil.c [2020-10-27 06:42:15,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c75fa2ae/91f1cba8f23a4f3185c10d1d74d3f983/FLAG56800ab12 [2020-10-27 06:42:15,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c75fa2ae/91f1cba8f23a4f3185c10d1d74d3f983 [2020-10-27 06:42:15,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:42:15,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:42:15,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:42:15,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:42:15,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:42:15,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:42:15" (1/1) ... [2020-10-27 06:42:15,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0e7b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:15, skipping insertion in model container [2020-10-27 06:42:15,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:42:15" (1/1) ... [2020-10-27 06:42:15,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:42:15,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:42:15,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:42:15,865 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:42:15,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:42:16,025 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:42:16,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16 WrapperNode [2020-10-27 06:42:16,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:42:16,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:42:16,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:42:16,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:42:16,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (1/1) ... [2020-10-27 06:42:16,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:42:16,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:42:16,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:42:16,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:42:16,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (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 06:42:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:42:16,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:42:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:42:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:42:16,297 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:42:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:42:16,298 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:42:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:42:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:42:16,299 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:42:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:42:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:42:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:42:16,300 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:42:16,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:42:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:42:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:42:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:42:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:42:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:42:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:42:16,303 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:42:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:42:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:42:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:42:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:42:16,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:42:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:42:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:42:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:42:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:42:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:42:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:42:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:42:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:42:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:42:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:42:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:42:16,308 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:42:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:42:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:42:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:42:16,309 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:42:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:42:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:42:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:42:16,310 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:42:16,311 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:42:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:42:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:42:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:42:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:42:16,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:42:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:42:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:42:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:42:16,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:42:17,478 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:42:17,478 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-27 06:42:17,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:42:17 BoogieIcfgContainer [2020-10-27 06:42:17,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:42:17,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:42:17,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:42:17,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:42:17,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:42:15" (1/3) ... [2020-10-27 06:42:17,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5ddb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:42:17, skipping insertion in model container [2020-10-27 06:42:17,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:16" (2/3) ... [2020-10-27 06:42:17,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5ddb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:42:17, skipping insertion in model container [2020-10-27 06:42:17,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:42:17" (3/3) ... [2020-10-27 06:42:17,496 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.07.cil.c [2020-10-27 06:42:17,508 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:42:17,515 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:42:17,529 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:42:17,595 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:42:17,595 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:42:17,595 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:42:17,596 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:42:17,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:42:17,596 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:42:17,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:42:17,596 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:42:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-10-27 06:42:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 06:42:17,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:17,651 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] [2020-10-27 06:42:17,651 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:17,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1329917545, now seen corresponding path program 1 times [2020-10-27 06:42:17,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:17,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292725711] [2020-10-27 06:42:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:18,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:18,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:19,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:19,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:19,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:21,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:21,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:22,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:42:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 06:42:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 06:42:22,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:22,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 06:42:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 06:42:23,358 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:42:23,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:23,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:23,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 06:42:23,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 06:42:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:23,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:23,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:42:23,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:23,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:23,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:23,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:23,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:23,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:23,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:23,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:42:23,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:23,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:42:23,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:23,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:23,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:42:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:42:23,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:23,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 06:42:23,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:23,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:42:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:42:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:42:23,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:42:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 06:42:23,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:42:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:42:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:23,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:23,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:23,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:42:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:42:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:42:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:42:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:42:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:42:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:24,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:24,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:42:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:42:24,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:42:24,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:42:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:42:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:24,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:24,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:24,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:24,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:24,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:24,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:24,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:24,190 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 06:42:24,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292725711] [2020-10-27 06:42:24,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:24,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:42:24,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704973705] [2020-10-27 06:42:24,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:42:24,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:24,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:42:24,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:42:24,217 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 12 states. [2020-10-27 06:42:24,542 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:42:25,983 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:42:26,287 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 06:42:26,621 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:42:26,899 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-27 06:42:31,721 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 06:42:31,992 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 06:42:32,296 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-27 06:42:32,579 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:42:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:36,575 INFO L93 Difference]: Finished difference Result 1291 states and 2132 transitions. [2020-10-27 06:42:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:42:36,585 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-10-27 06:42:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:36,620 INFO L225 Difference]: With dead ends: 1291 [2020-10-27 06:42:36,620 INFO L226 Difference]: Without dead ends: 974 [2020-10-27 06:42:36,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2020-10-27 06:42:36,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2020-10-27 06:42:36,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 605. [2020-10-27 06:42:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-10-27 06:42:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 870 transitions. [2020-10-27 06:42:36,930 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 870 transitions. Word has length 166 [2020-10-27 06:42:36,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:36,931 INFO L481 AbstractCegarLoop]: Abstraction has 605 states and 870 transitions. [2020-10-27 06:42:36,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:42:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 870 transitions. [2020-10-27 06:42:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 06:42:36,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:36,947 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] [2020-10-27 06:42:36,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:42:36,948 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:36,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:36,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1752944679, now seen corresponding path program 1 times [2020-10-27 06:42:36,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:36,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322322618] [2020-10-27 06:42:36,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:37,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:37,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:38,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:39,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:40,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:42:42,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 06:42:42,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:42:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:42:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 06:42:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,287 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:42:42,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:42,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 06:42:42,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:42,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:42:42,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:42,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:42,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:42:42,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:42:42,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:42:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:42:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:42:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 06:42:42,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:42,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:42:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:42:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:42:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:42:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:42:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:42:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:42,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:42,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:42,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:42:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:42:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:42:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:42:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:42:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:42:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:42,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:42,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:42,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:42,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:42,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:42,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:42:42,702 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 06:42:42,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322322618] [2020-10-27 06:42:42,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:42,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:42:42,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968361907] [2020-10-27 06:42:42,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:42:42,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:42,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:42:42,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:42:42,709 INFO L87 Difference]: Start difference. First operand 605 states and 870 transitions. Second operand 8 states. [2020-10-27 06:42:42,934 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:42:46,095 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:42:53,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:42:53,022 INFO L93 Difference]: Finished difference Result 2388 states and 3644 transitions. [2020-10-27 06:42:53,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:42:53,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-10-27 06:42:53,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:42:53,044 INFO L225 Difference]: With dead ends: 2388 [2020-10-27 06:42:53,044 INFO L226 Difference]: Without dead ends: 1809 [2020-10-27 06:42:53,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:42:53,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2020-10-27 06:42:53,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1213. [2020-10-27 06:42:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-10-27 06:42:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1759 transitions. [2020-10-27 06:42:53,339 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1759 transitions. Word has length 166 [2020-10-27 06:42:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:42:53,342 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1759 transitions. [2020-10-27 06:42:53,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:42:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1759 transitions. [2020-10-27 06:42:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 06:42:53,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:53,346 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] [2020-10-27 06:42:53,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:42:53,346 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:53,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1577415066, now seen corresponding path program 1 times [2020-10-27 06:42:53,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:53,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872419647] [2020-10-27 06:42:53,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:55,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:55,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:55,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:55,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:55,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:56,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:56,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:56,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:42:58,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 06:42:58,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 06:42:58,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:58,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:42:58,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,638 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:42:58,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:58,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:42:58,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:58,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:58,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:42:58,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:58,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:42:58,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:42:58,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:42:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:42:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:58,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:42:58,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:42:58,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:42:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:42:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:58,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:58,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:42:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:42:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:42:59,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:59,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:42:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:42:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:42:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:42:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:42:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:42:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:42:59,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:42:59,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:42:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:42:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:59,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:59,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:59,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:59,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:59,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:59,231 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 06:42:59,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872419647] [2020-10-27 06:42:59,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:59,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:42:59,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152964839] [2020-10-27 06:42:59,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:42:59,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:59,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:42:59,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:42:59,233 INFO L87 Difference]: Start difference. First operand 1213 states and 1759 transitions. Second operand 13 states. [2020-10-27 06:42:59,477 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:43:00,823 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:43:01,088 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 06:43:01,354 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:43:01,602 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:43:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:07,688 INFO L93 Difference]: Finished difference Result 3035 states and 4657 transitions. [2020-10-27 06:43:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:43:07,688 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 166 [2020-10-27 06:43:07,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:07,703 INFO L225 Difference]: With dead ends: 3035 [2020-10-27 06:43:07,703 INFO L226 Difference]: Without dead ends: 1847 [2020-10-27 06:43:07,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:43:07,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2020-10-27 06:43:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1223. [2020-10-27 06:43:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-27 06:43:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1753 transitions. [2020-10-27 06:43:07,912 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1753 transitions. Word has length 166 [2020-10-27 06:43:07,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:07,913 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 1753 transitions. [2020-10-27 06:43:07,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1753 transitions. [2020-10-27 06:43:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 06:43:07,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:07,916 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] [2020-10-27 06:43:07,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:43:07,916 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:07,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:07,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1283724384, now seen corresponding path program 1 times [2020-10-27 06:43:07,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:07,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299014223] [2020-10-27 06:43:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:07,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:12,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:12,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:43:12,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:43:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:43:12,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:43:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 06:43:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,180 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:43:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:13,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:13,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:13,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:13,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:13,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:43:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:43:13,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:43:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:43:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:43:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:43:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:43:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:43:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:43:13,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 06:43:13,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 06:43:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 06:43:13,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:13,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:13,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:13,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:13,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:13,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:13,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:13,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:43:13,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:13,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:13,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:43:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:13,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:43:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:43:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:43:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:43:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:13,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:43:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:13,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:13,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:13,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:13,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:13,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:13,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:13,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:13,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:13,691 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 06:43:13,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299014223] [2020-10-27 06:43:13,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:13,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:43:13,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075168082] [2020-10-27 06:43:13,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:43:13,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:13,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:43:13,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:43:13,695 INFO L87 Difference]: Start difference. First operand 1223 states and 1753 transitions. Second operand 8 states. [2020-10-27 06:43:14,018 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:43:16,884 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:43:23,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:23,326 INFO L93 Difference]: Finished difference Result 4732 states and 7176 transitions. [2020-10-27 06:43:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:43:23,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-10-27 06:43:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:23,353 INFO L225 Difference]: With dead ends: 4732 [2020-10-27 06:43:23,353 INFO L226 Difference]: Without dead ends: 3535 [2020-10-27 06:43:23,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:43:23,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3535 states. [2020-10-27 06:43:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3535 to 2439. [2020-10-27 06:43:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2439 states. [2020-10-27 06:43:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3509 transitions. [2020-10-27 06:43:23,726 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3509 transitions. Word has length 166 [2020-10-27 06:43:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:23,727 INFO L481 AbstractCegarLoop]: Abstraction has 2439 states and 3509 transitions. [2020-10-27 06:43:23,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:43:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3509 transitions. [2020-10-27 06:43:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 06:43:23,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:23,730 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] [2020-10-27 06:43:23,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:43:23,730 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:23,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:23,731 INFO L82 PathProgramCache]: Analyzing trace with hash -578805697, now seen corresponding path program 1 times [2020-10-27 06:43:23,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:23,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723422425] [2020-10-27 06:43:23,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:23,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:24,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:24,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:24,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:26,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:43:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:43:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 06:43:28,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:43:29,037 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:43:29,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:29,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:43:29,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:29,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:29,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:29,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:29,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:29,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:43:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:43:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:43:29,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 06:43:29,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:43:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:43:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:43:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:43:29,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:43:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 06:43:29,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:43:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 06:43:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:43:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:29,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:43:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:43:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:43:29,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:43:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:43:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:29,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:29,624 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 06:43:29,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723422425] [2020-10-27 06:43:29,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:29,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:43:29,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379646494] [2020-10-27 06:43:29,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:43:29,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:29,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:43:29,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:43:29,628 INFO L87 Difference]: Start difference. First operand 2439 states and 3509 transitions. Second operand 13 states. [2020-10-27 06:43:29,860 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:43:31,681 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:43:31,929 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-27 06:43:32,284 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:43:32,624 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-27 06:43:37,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:37,655 INFO L93 Difference]: Finished difference Result 5985 states and 9101 transitions. [2020-10-27 06:43:37,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:43:37,656 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 166 [2020-10-27 06:43:37,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:37,680 INFO L225 Difference]: With dead ends: 5985 [2020-10-27 06:43:37,680 INFO L226 Difference]: Without dead ends: 3571 [2020-10-27 06:43:37,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:43:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2020-10-27 06:43:38,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 2459. [2020-10-27 06:43:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2459 states. [2020-10-27 06:43:38,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2459 states and 3497 transitions. [2020-10-27 06:43:38,070 INFO L78 Accepts]: Start accepts. Automaton has 2459 states and 3497 transitions. Word has length 166 [2020-10-27 06:43:38,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:38,070 INFO L481 AbstractCegarLoop]: Abstraction has 2459 states and 3497 transitions. [2020-10-27 06:43:38,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 3497 transitions. [2020-10-27 06:43:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 06:43:38,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:38,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:38,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:43:38,074 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1253876991, now seen corresponding path program 1 times [2020-10-27 06:43:38,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:38,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419395522] [2020-10-27 06:43:38,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:38,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:38,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:39,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-27 06:43:43,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 06:43:43,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:43:43,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:43:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 06:43:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,347 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:43:43,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:43,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:43:43,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:43,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:43,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:43:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:43:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:43:43,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:43:43,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 06:43:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:43:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:43:43,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:43:43,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 06:43:43,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:43:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:43:43,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:43,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:43,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:43:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:43:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:43:43,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:43:43,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:43:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:43:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:43,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:43,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:43,722 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 06:43:43,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419395522] [2020-10-27 06:43:43,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:43,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:43:43,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933286491] [2020-10-27 06:43:43,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:43:43,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:43,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:43:43,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:43:43,727 INFO L87 Difference]: Start difference. First operand 2459 states and 3497 transitions. Second operand 8 states. [2020-10-27 06:43:43,956 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:43:47,144 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:43:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:53,960 INFO L93 Difference]: Finished difference Result 9470 states and 14285 transitions. [2020-10-27 06:43:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:43:53,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-10-27 06:43:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:54,006 INFO L225 Difference]: With dead ends: 9470 [2020-10-27 06:43:54,006 INFO L226 Difference]: Without dead ends: 7037 [2020-10-27 06:43:54,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:43:54,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7037 states. [2020-10-27 06:43:54,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7037 to 4883. [2020-10-27 06:43:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4883 states. [2020-10-27 06:43:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 6969 transitions. [2020-10-27 06:43:54,995 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 6969 transitions. Word has length 166 [2020-10-27 06:43:54,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:54,996 INFO L481 AbstractCegarLoop]: Abstraction has 4883 states and 6969 transitions. [2020-10-27 06:43:54,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:43:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 6969 transitions. [2020-10-27 06:43:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:43:55,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:55,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:43:55,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:43:55,004 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:55,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:55,005 INFO L82 PathProgramCache]: Analyzing trace with hash -288161430, now seen corresponding path program 1 times [2020-10-27 06:43:55,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:55,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936865630] [2020-10-27 06:43:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:58,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:59,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:44:00,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 06:44:00,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 06:44:00,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:00,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:00,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 06:44:00,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,294 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:44:00,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:44:00,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:00,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:44:00,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:44:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:00,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:44:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:44:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:44:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:44:00,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:44:00,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 06:44:00,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:00,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:44:00,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:00,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:44:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:44:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:00,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:44:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:00,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:44:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:44:00,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936865630] [2020-10-27 06:44:00,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:00,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 06:44:00,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296894743] [2020-10-27 06:44:00,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:44:00,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:00,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:44:00,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:44:00,844 INFO L87 Difference]: Start difference. First operand 4883 states and 6969 transitions. Second operand 14 states. [2020-10-27 06:44:01,108 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:44:03,272 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:44:03,515 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 06:44:03,883 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:44:04,234 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:44:10,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:10,941 INFO L93 Difference]: Finished difference Result 12671 states and 19587 transitions. [2020-10-27 06:44:10,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 06:44:10,942 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 190 [2020-10-27 06:44:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:10,995 INFO L225 Difference]: With dead ends: 12671 [2020-10-27 06:44:10,995 INFO L226 Difference]: Without dead ends: 7813 [2020-10-27 06:44:11,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2020-10-27 06:44:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7813 states. [2020-10-27 06:44:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7813 to 5383. [2020-10-27 06:44:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5383 states. [2020-10-27 06:44:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 5383 states and 7687 transitions. [2020-10-27 06:44:12,152 INFO L78 Accepts]: Start accepts. Automaton has 5383 states and 7687 transitions. Word has length 190 [2020-10-27 06:44:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:12,153 INFO L481 AbstractCegarLoop]: Abstraction has 5383 states and 7687 transitions. [2020-10-27 06:44:12,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:44:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5383 states and 7687 transitions. [2020-10-27 06:44:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:44:12,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:12,158 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:12,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:44:12,158 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:12,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:12,159 INFO L82 PathProgramCache]: Analyzing trace with hash 2023194864, now seen corresponding path program 1 times [2020-10-27 06:44:12,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:12,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613982397] [2020-10-27 06:44:12,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:15,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:15,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:15,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:15,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:15,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:16,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 06:44:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,446 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:44:17,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:17,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:17,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:17,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:17,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:44:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:44:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:44:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:17,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:44:17,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:44:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:44:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 06:44:17,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:17,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:17,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:17,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:44:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:44:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:44:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:17,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:17,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:44:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:17,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:17,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:44:17,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613982397] [2020-10-27 06:44:17,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:17,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:44:17,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852235724] [2020-10-27 06:44:17,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:44:17,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:17,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:44:17,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:44:17,767 INFO L87 Difference]: Start difference. First operand 5383 states and 7687 transitions. Second operand 10 states. [2020-10-27 06:44:18,001 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:44:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:26,149 INFO L93 Difference]: Finished difference Result 15119 states and 22808 transitions. [2020-10-27 06:44:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 06:44:26,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-10-27 06:44:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:26,197 INFO L225 Difference]: With dead ends: 15119 [2020-10-27 06:44:26,197 INFO L226 Difference]: Without dead ends: 9761 [2020-10-27 06:44:26,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:44:26,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9761 states. [2020-10-27 06:44:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9761 to 6927. [2020-10-27 06:44:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6927 states. [2020-10-27 06:44:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6927 states to 6927 states and 9431 transitions. [2020-10-27 06:44:27,220 INFO L78 Accepts]: Start accepts. Automaton has 6927 states and 9431 transitions. Word has length 190 [2020-10-27 06:44:27,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:27,221 INFO L481 AbstractCegarLoop]: Abstraction has 6927 states and 9431 transitions. [2020-10-27 06:44:27,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:44:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 6927 states and 9431 transitions. [2020-10-27 06:44:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:44:27,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:27,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:27,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:44:27,244 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:27,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:27,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1608363699, now seen corresponding path program 1 times [2020-10-27 06:44:27,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:27,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398278058] [2020-10-27 06:44:27,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:29,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:30,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:44:32,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 06:44:32,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:44:32,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:44:32,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,509 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:44:32,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:32,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:32,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:32,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:32,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:32,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:44:32,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:44:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:32,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:32,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:32,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:44:32,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:44:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:44:32,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:44:32,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 06:44:32,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:44:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:32,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:32,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:32,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:44:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:44:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:32,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:44:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:44:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:32,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:44:33,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398278058] [2020-10-27 06:44:33,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:33,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 06:44:33,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489391721] [2020-10-27 06:44:33,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:44:33,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:33,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:44:33,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:44:33,008 INFO L87 Difference]: Start difference. First operand 6927 states and 9431 transitions. Second operand 14 states. [2020-10-27 06:44:33,243 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:44:35,195 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:44:35,449 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 06:44:35,714 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:44:36,099 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-27 06:44:39,764 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 06:44:40,033 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:44:40,305 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 06:44:40,651 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:44:45,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:45,585 INFO L93 Difference]: Finished difference Result 18779 states and 27212 transitions. [2020-10-27 06:44:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 06:44:45,585 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 190 [2020-10-27 06:44:45,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:45,640 INFO L225 Difference]: With dead ends: 18779 [2020-10-27 06:44:45,641 INFO L226 Difference]: Without dead ends: 11877 [2020-10-27 06:44:45,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=406, Invalid=1316, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 06:44:45,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11877 states. [2020-10-27 06:44:46,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11877 to 8471. [2020-10-27 06:44:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8471 states. [2020-10-27 06:44:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8471 states to 8471 states and 11111 transitions. [2020-10-27 06:44:46,958 INFO L78 Accepts]: Start accepts. Automaton has 8471 states and 11111 transitions. Word has length 190 [2020-10-27 06:44:46,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:46,958 INFO L481 AbstractCegarLoop]: Abstraction has 8471 states and 11111 transitions. [2020-10-27 06:44:46,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:44:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 8471 states and 11111 transitions. [2020-10-27 06:44:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:44:46,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:46,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:46,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:44:46,963 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:46,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:46,964 INFO L82 PathProgramCache]: Analyzing trace with hash -140115271, now seen corresponding path program 1 times [2020-10-27 06:44:46,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:46,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498662832] [2020-10-27 06:44:46,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:47,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 06:44:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,209 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:44:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:52,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:44:52,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:52,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:52,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:52,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:52,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:44:52,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:44:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:44:52,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:44:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:44:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:44:52,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 06:44:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:52,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:52,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:52,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:44:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:44:52,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:52,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:44:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:44:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:44:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:52,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:52,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:44:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:52,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:44:52,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498662832] [2020-10-27 06:44:52,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:52,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:44:52,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900073844] [2020-10-27 06:44:52,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:44:52,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:52,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:44:52,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:44:52,516 INFO L87 Difference]: Start difference. First operand 8471 states and 11111 transitions. Second operand 10 states. [2020-10-27 06:44:52,753 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:45:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:00,740 INFO L93 Difference]: Finished difference Result 22035 states and 30684 transitions. [2020-10-27 06:45:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 06:45:00,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-10-27 06:45:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:00,793 INFO L225 Difference]: With dead ends: 22035 [2020-10-27 06:45:00,794 INFO L226 Difference]: Without dead ends: 13589 [2020-10-27 06:45:00,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:45:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13589 states. [2020-10-27 06:45:02,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13589 to 9975. [2020-10-27 06:45:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9975 states. [2020-10-27 06:45:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9975 states to 9975 states and 12735 transitions. [2020-10-27 06:45:02,405 INFO L78 Accepts]: Start accepts. Automaton has 9975 states and 12735 transitions. Word has length 190 [2020-10-27 06:45:02,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:02,406 INFO L481 AbstractCegarLoop]: Abstraction has 9975 states and 12735 transitions. [2020-10-27 06:45:02,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:45:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9975 states and 12735 transitions. [2020-10-27 06:45:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:45:02,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:02,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:02,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:45:02,411 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:02,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:02,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1034896190, now seen corresponding path program 1 times [2020-10-27 06:45:02,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:02,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914984957] [2020-10-27 06:45:02,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:02,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:02,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 06:45:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,678 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:45:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:45:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:45:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:07,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:45:07,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:45:07,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:45:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:45:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:45:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:07,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:07,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:07,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:07,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:07,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:07,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:07,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:07,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:07,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:45:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:08,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:45:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:45:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:45:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:45:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:08,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:45:08,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914984957] [2020-10-27 06:45:08,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:08,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 06:45:08,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070013579] [2020-10-27 06:45:08,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:45:08,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:08,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:45:08,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:45:08,119 INFO L87 Difference]: Start difference. First operand 9975 states and 12735 transitions. Second operand 14 states. [2020-10-27 06:45:08,380 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:45:09,828 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:45:10,049 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-27 06:45:10,403 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-27 06:45:10,749 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 06:45:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:17,940 INFO L93 Difference]: Finished difference Result 23923 states and 32748 transitions. [2020-10-27 06:45:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 06:45:17,941 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 190 [2020-10-27 06:45:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:18,104 INFO L225 Difference]: With dead ends: 23923 [2020-10-27 06:45:18,105 INFO L226 Difference]: Without dead ends: 13973 [2020-10-27 06:45:18,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:45:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13973 states. [2020-10-27 06:45:19,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13973 to 10055. [2020-10-27 06:45:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10055 states. [2020-10-27 06:45:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 12711 transitions. [2020-10-27 06:45:19,739 INFO L78 Accepts]: Start accepts. Automaton has 10055 states and 12711 transitions. Word has length 190 [2020-10-27 06:45:19,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:19,739 INFO L481 AbstractCegarLoop]: Abstraction has 10055 states and 12711 transitions. [2020-10-27 06:45:19,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:45:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 12711 transitions. [2020-10-27 06:45:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:45:19,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:19,743 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:19,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:45:19,743 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:19,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:19,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1656538684, now seen corresponding path program 1 times [2020-10-27 06:45:19,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:19,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389331719] [2020-10-27 06:45:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:19,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:19,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:19,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:20,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:21,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:24,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:24,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-27 06:45:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,016 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:45:25,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:25,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:25,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:25,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:25,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:25,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:45:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:45:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:45:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:45:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 06:45:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:25,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:45:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:45:25,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:45:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:45:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:25,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:45:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:25,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:25,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:25,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:25,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:45:25,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389331719] [2020-10-27 06:45:25,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:25,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:45:25,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422143983] [2020-10-27 06:45:25,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:45:25,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:25,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:45:25,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:45:25,382 INFO L87 Difference]: Start difference. First operand 10055 states and 12711 transitions. Second operand 11 states. [2020-10-27 06:45:25,608 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:45:31,044 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-27 06:45:31,350 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-27 06:45:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:37,079 INFO L93 Difference]: Finished difference Result 26871 states and 36808 transitions. [2020-10-27 06:45:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 06:45:37,080 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 190 [2020-10-27 06:45:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:37,145 INFO L225 Difference]: With dead ends: 26871 [2020-10-27 06:45:37,145 INFO L226 Difference]: Without dead ends: 16841 [2020-10-27 06:45:37,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:45:37,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16841 states. [2020-10-27 06:45:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16841 to 11399. [2020-10-27 06:45:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11399 states. [2020-10-27 06:45:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11399 states to 11399 states and 14127 transitions. [2020-10-27 06:45:39,136 INFO L78 Accepts]: Start accepts. Automaton has 11399 states and 14127 transitions. Word has length 190 [2020-10-27 06:45:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:39,137 INFO L481 AbstractCegarLoop]: Abstraction has 11399 states and 14127 transitions. [2020-10-27 06:45:39,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:45:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 11399 states and 14127 transitions. [2020-10-27 06:45:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-27 06:45:39,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:39,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:45:39,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 06:45:39,141 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:39,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:39,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1697213434, now seen corresponding path program 1 times [2020-10-27 06:45:39,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:39,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766711337] [2020-10-27 06:45:39,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:39,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:39,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:40,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 06:45:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,411 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 06:45:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:44,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:44,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:44,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:45:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:45:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 06:45:44,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 06:45:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 06:45:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:45:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 06:45:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:45:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 06:45:44,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:45:44,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:45:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:45:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:44,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 06:45:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:44,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:44,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 06:45:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:44,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:44,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:44,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:44,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 06:45:44,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766711337] [2020-10-27 06:45:44,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:44,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:45:44,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925569064] [2020-10-27 06:45:44,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:45:44,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:44,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:45:44,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:45:44,755 INFO L87 Difference]: Start difference. First operand 11399 states and 14127 transitions. Second operand 10 states. [2020-10-27 06:45:45,014 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 150