/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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.03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:43:51,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:43:51,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:43:51,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:43:51,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:43:51,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:43:51,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:43:51,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:43:51,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:43:51,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:43:51,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:43:51,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:43:51,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:43:51,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:43:51,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:43:51,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:43:51,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:43:51,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:43:51,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:43:51,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:43:51,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:43:51,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:43:51,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:43:51,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:43:51,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:43:51,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:43:51,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:43:51,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:43:51,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:43:51,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:43:51,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:43:51,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:43:51,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:43:51,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:43:51,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:43:51,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:43:51,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:43:51,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:43:51,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:43:51,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:43:51,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:43:51,961 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 [2020-10-29 14:43:52,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:43:52,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:43:52,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:43:52,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:43:52,033 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:43:52,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:43:52,034 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:43:52,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:43:52,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:43:52,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:43:52,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:43:52,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:43:52,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:43:52,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:43:52,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:43:52,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:43:52,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:43:52,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:43:52,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:43:52,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:43:52,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:43:52,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:43:52,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:43:52,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:43:52,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:43:52,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:43:52,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:43:52,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:43:52,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:43:52,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:43:52,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:43:52,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:43:52,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:43:52,498 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:43:52,498 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:43:52,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.03.cil.c [2020-10-29 14:43:52,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dee7d70f1/29c96a68ec114152bd487ff25cfdd388/FLAG25f3dfbc2 [2020-10-29 14:43:53,205 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:43:53,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.03.cil.c [2020-10-29 14:43:53,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dee7d70f1/29c96a68ec114152bd487ff25cfdd388/FLAG25f3dfbc2 [2020-10-29 14:43:53,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dee7d70f1/29c96a68ec114152bd487ff25cfdd388 [2020-10-29 14:43:53,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:43:53,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:43:53,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:43:53,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:43:53,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:43:53,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:43:53" (1/1) ... [2020-10-29 14:43:53,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a55628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:53, skipping insertion in model container [2020-10-29 14:43:53,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:43:53" (1/1) ... [2020-10-29 14:43:53,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:43:53,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:43:53,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:43:53,880 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:43:53,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:43:54,011 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:43:54,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54 WrapperNode [2020-10-29 14:43:54,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:43:54,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:43:54,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:43:54,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:43:54,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (1/1) ... [2020-10-29 14:43:54,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:43:54,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:43:54,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:43:54,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:43:54,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (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 [2020-10-29 14:43:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:43:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:43:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:43:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:43:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-29 14:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-29 14:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:43:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-29 14:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-29 14:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:43:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:43:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:43:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:43:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:43:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:43:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:43:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:43:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:43:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:43:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:43:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:43:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:43:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:43:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:43:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:43:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:43:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-29 14:43:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-29 14:43:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:43:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:43:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:43:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-29 14:43:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-29 14:43:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:43:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:43:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:43:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:43:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:43:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:43:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:43:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:43:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:43:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:43:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:43:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:43:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:43:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:43:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:43:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:43:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:43:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:43:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:43:55,058 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:43:55,058 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-29 14:43:55,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:43:55 BoogieIcfgContainer [2020-10-29 14:43:55,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:43:55,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:43:55,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:43:55,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:43:55,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:43:53" (1/3) ... [2020-10-29 14:43:55,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cdb8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:43:55, skipping insertion in model container [2020-10-29 14:43:55,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:43:54" (2/3) ... [2020-10-29 14:43:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cdb8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:43:55, skipping insertion in model container [2020-10-29 14:43:55,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:43:55" (3/3) ... [2020-10-29 14:43:55,070 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.03.cil.c [2020-10-29 14:43:55,082 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:43:55,088 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:43:55,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:43:55,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:43:55,132 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:43:55,132 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:43:55,132 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:43:55,132 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:43:55,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:43:55,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:43:55,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:43:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-10-29 14:43:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-29 14:43:55,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:43:55,174 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] [2020-10-29 14:43:55,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:43:55,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:43:55,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1873321802, now seen corresponding path program 1 times [2020-10-29 14:43:55,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:43:55,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177512860] [2020-10-29 14:43:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:43:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:43:55,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:55,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:56,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:57,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:57,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:43:58,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:00,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-29 14:44:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 14:44:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 14:44:00,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:00,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:44:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:44:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 14:44:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:44:00,682 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 14:44:00,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:00,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 14:44:00,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:00,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:00,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:44:00,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:00,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:44:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:00,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:00,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:00,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:00,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:44:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:00,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:00,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:00,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:44:00,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:00,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:44:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:44:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:00,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:00,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:00,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:00,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:44:00,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:00,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:00,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:00,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:00,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:44:00,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:44:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:00,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:44:01,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:44:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 461 [2020-10-29 14:44:01,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 14:44:01,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:44:01,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:01,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:01,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:01,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:01,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:01,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:01,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:01,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:01,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:01,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:01,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:01,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:01,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:44:01,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:01,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:44:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:01,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:01,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:01,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 14:44:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 14:44:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:44:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:01,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:01,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:01,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:01,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:01,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:01,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 14:44:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:44:01,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177512860] [2020-10-29 14:44:01,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:01,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:44:01,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377772535] [2020-10-29 14:44:01,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:44:01,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:01,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:44:01,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:44:01,563 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 8 states. [2020-10-29 14:44:01,738 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:44:03,324 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:44:06,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:06,185 INFO L93 Difference]: Finished difference Result 770 states and 1226 transitions. [2020-10-29 14:44:06,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:44:06,187 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-10-29 14:44:06,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:06,210 INFO L225 Difference]: With dead ends: 770 [2020-10-29 14:44:06,210 INFO L226 Difference]: Without dead ends: 565 [2020-10-29 14:44:06,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:44:06,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-10-29 14:44:06,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 363. [2020-10-29 14:44:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-29 14:44:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 501 transitions. [2020-10-29 14:44:06,372 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 501 transitions. Word has length 106 [2020-10-29 14:44:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:06,373 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 501 transitions. [2020-10-29 14:44:06,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:44:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 501 transitions. [2020-10-29 14:44:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 14:44:06,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:06,378 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:44:06,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:44:06,379 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:06,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:06,379 INFO L82 PathProgramCache]: Analyzing trace with hash 756876295, now seen corresponding path program 1 times [2020-10-29 14:44:06,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:06,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43860334] [2020-10-29 14:44:06,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:06,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:06,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:06,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:06,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:08,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:08,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:08,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:08,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:11,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 14:44:11,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:44:11,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 14:44:11,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:11,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 14:44:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 14:44:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:11,697 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 14:44:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:11,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:11,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:11,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:44:11,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:11,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:11,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:11,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:11,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:11,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:11,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:11,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:11,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:11,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:11,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:11,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:11,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:11,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:44:11,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:11,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:11,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:11,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:11,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:11,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:11,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:11,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:11,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:11,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:44:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:11,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:11,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:11,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:11,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:11,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:11,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:11,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:44:11,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:44:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:11,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:44:12,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:44:12,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 819 [2020-10-29 14:44:12,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:12,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 14:44:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:12,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:12,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:12,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:12,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:12,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:12,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:12,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:12,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:44:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:12,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:44:12,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:44:12,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:44:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:12,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:44:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:12,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:44:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 14:44:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:12,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:12,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:12,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 14:44:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:12,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:12,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:12,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:12,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:12,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:12,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:12,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:12,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 14:44:12,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43860334] [2020-10-29 14:44:12,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:12,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:44:12,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549053493] [2020-10-29 14:44:12,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:44:12,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:12,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:44:12,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:44:12,838 INFO L87 Difference]: Start difference. First operand 363 states and 501 transitions. Second operand 8 states. [2020-10-29 14:44:13,001 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:44:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:16,997 INFO L93 Difference]: Finished difference Result 1569 states and 2515 transitions. [2020-10-29 14:44:16,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:44:16,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 126 [2020-10-29 14:44:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:17,013 INFO L225 Difference]: With dead ends: 1569 [2020-10-29 14:44:17,013 INFO L226 Difference]: Without dead ends: 1229 [2020-10-29 14:44:17,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:44:17,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-10-29 14:44:17,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 782. [2020-10-29 14:44:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-29 14:44:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1141 transitions. [2020-10-29 14:44:17,191 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1141 transitions. Word has length 126 [2020-10-29 14:44:17,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:17,194 INFO L481 AbstractCegarLoop]: Abstraction has 782 states and 1141 transitions. [2020-10-29 14:44:17,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:44:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1141 transitions. [2020-10-29 14:44:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:44:17,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:17,211 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:44:17,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:44:17,211 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:17,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:17,212 INFO L82 PathProgramCache]: Analyzing trace with hash -758206525, now seen corresponding path program 1 times [2020-10-29 14:44:17,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:17,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491893767] [2020-10-29 14:44:17,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:17,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:17,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:44:22,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:44:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 14:44:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:44:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 14:44:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-29 14:44:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:22,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:44:22,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:22,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:22,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:22,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:44:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:22,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:22,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:44:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:44:22,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:44:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:44:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:44:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:44:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-29 14:44:22,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 14:44:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:22,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:22,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:22,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:22,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:22,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:22,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:22,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:22,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:22,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:44:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:22,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:44:22,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:44:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:44:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:22,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:22,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:22,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 14:44:22,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:44:22,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:22,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:22,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:44:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:22,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:22,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:22,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:22,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:22,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:22,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 14:44:22,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491893767] [2020-10-29 14:44:22,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:44:22,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 14:44:22,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371126744] [2020-10-29 14:44:22,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:44:22,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:22,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:44:22,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:44:22,950 INFO L87 Difference]: Start difference. First operand 782 states and 1141 transitions. Second operand 10 states. [2020-10-29 14:44:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:30,354 INFO L93 Difference]: Finished difference Result 2368 states and 3830 transitions. [2020-10-29 14:44:30,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-29 14:44:30,358 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2020-10-29 14:44:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:30,375 INFO L225 Difference]: With dead ends: 2368 [2020-10-29 14:44:30,376 INFO L226 Difference]: Without dead ends: 1617 [2020-10-29 14:44:30,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=339, Invalid=1143, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 14:44:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2020-10-29 14:44:30,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1126. [2020-10-29 14:44:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2020-10-29 14:44:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1727 transitions. [2020-10-29 14:44:30,577 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1727 transitions. Word has length 128 [2020-10-29 14:44:30,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:30,579 INFO L481 AbstractCegarLoop]: Abstraction has 1126 states and 1727 transitions. [2020-10-29 14:44:30,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:44:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1727 transitions. [2020-10-29 14:44:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:44:30,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:30,584 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:44:30,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:44:30,585 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:30,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash 729011911, now seen corresponding path program 1 times [2020-10-29 14:44:30,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:30,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113905151] [2020-10-29 14:44:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:30,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:32,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:32,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:33,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:33,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:33,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:33,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:33,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:33,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:35,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:44:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 14:44:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 14:44:35,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:35,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:44:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:44:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 14:44:35,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:35,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:35,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:35,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:35,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:35,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 14:44:35,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:35,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:35,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:35,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:35,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:35,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:35,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:44:35,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:35,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:35,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:35,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:35,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:35,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:35,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:44:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:35,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:35,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:35,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:35,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:35,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:35,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:35,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:35,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:44:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:35,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:35,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:35,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:35,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:44:35,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:35,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:35,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:35,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:35,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:44:35,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:35,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:44:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:35,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:35,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:44:37,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:44:37,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1124 [2020-10-29 14:44:37,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:37,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 14:44:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:37,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:37,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:37,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:37,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:37,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:37,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:37,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:37,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:37,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:44:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:37,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:44:37,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:44:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:44:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:37,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:37,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:37,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:44:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:37,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:37,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:37,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:37,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:37,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:37,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:37,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:37,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:44:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:44:37,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113905151] [2020-10-29 14:44:37,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:37,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 14:44:37,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750445869] [2020-10-29 14:44:37,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 14:44:37,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:37,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 14:44:37,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 14:44:37,287 INFO L87 Difference]: Start difference. First operand 1126 states and 1727 transitions. Second operand 11 states. [2020-10-29 14:44:39,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:39,909 INFO L93 Difference]: Finished difference Result 2700 states and 4361 transitions. [2020-10-29 14:44:39,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 14:44:39,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2020-10-29 14:44:39,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:39,924 INFO L225 Difference]: With dead ends: 2700 [2020-10-29 14:44:39,925 INFO L226 Difference]: Without dead ends: 1601 [2020-10-29 14:44:39,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2020-10-29 14:44:39,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2020-10-29 14:44:40,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1126. [2020-10-29 14:44:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2020-10-29 14:44:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1715 transitions. [2020-10-29 14:44:40,092 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1715 transitions. Word has length 128 [2020-10-29 14:44:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:40,093 INFO L481 AbstractCegarLoop]: Abstraction has 1126 states and 1715 transitions. [2020-10-29 14:44:40,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 14:44:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1715 transitions. [2020-10-29 14:44:40,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:44:40,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:40,097 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:44:40,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:44:40,097 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:40,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:40,098 INFO L82 PathProgramCache]: Analyzing trace with hash -2027615355, now seen corresponding path program 1 times [2020-10-29 14:44:40,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:40,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1777164041] [2020-10-29 14:44:40,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:40,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:40,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:42,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-29 14:44:45,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 14:44:45,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:45,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:45,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:45,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:45,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:45,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:44:45,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:45,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:45,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:45,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:45,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:45,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:45,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:45,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:45,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:45,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:45,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:45,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:45,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:45,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:45,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:45,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:45,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:45,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:45,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:45,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:45,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:45,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:45,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:45,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:44:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:45,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:45,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:45,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:45,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:45,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:45,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:45,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:44:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:44:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:45,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:44:46,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:44:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1290 [2020-10-29 14:44:46,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 14:44:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:46,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:46,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:46,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:46,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:46,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:46,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:46,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:46,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:44:46,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:44:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:46,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:44:46,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:44:46,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:44:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:46,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:46,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:44:46,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:44:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:46,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:46,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:44:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:46,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:46,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:46,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:46,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:46,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:46,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 14:44:46,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1777164041] [2020-10-29 14:44:46,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:46,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 14:44:46,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748685033] [2020-10-29 14:44:46,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 14:44:46,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:46,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 14:44:46,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 14:44:46,778 INFO L87 Difference]: Start difference. First operand 1126 states and 1715 transitions. Second operand 8 states. [2020-10-29 14:44:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:44:51,165 INFO L93 Difference]: Finished difference Result 4136 states and 7142 transitions. [2020-10-29 14:44:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:44:51,165 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-10-29 14:44:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:44:51,193 INFO L225 Difference]: With dead ends: 4136 [2020-10-29 14:44:51,193 INFO L226 Difference]: Without dead ends: 3041 [2020-10-29 14:44:51,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:44:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2020-10-29 14:44:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 2224. [2020-10-29 14:44:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2020-10-29 14:44:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 3553 transitions. [2020-10-29 14:44:51,533 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 3553 transitions. Word has length 128 [2020-10-29 14:44:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:44:51,533 INFO L481 AbstractCegarLoop]: Abstraction has 2224 states and 3553 transitions. [2020-10-29 14:44:51,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 14:44:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3553 transitions. [2020-10-29 14:44:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 14:44:51,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:44:51,539 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:44:51,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:44:51,540 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:44:51,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:44:51,540 INFO L82 PathProgramCache]: Analyzing trace with hash 716032315, now seen corresponding path program 1 times [2020-10-29 14:44:51,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:44:51,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888559340] [2020-10-29 14:44:51,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:44:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:51,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:51,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:51,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:51,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-29 14:44:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:44:56,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:56,702 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 14:44:56,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:44:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:56,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:56,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:44:56,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:56,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:56,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:56,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:44:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:56,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:44:56,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:56,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:56,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:56,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 14:44:56,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:44:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:56,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:56,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:44:56,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:56,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:44:56,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:56,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:56,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:44:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:56,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:56,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:56,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:56,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:56,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:56,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:56,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:44:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:56,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:56,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:56,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:44:56,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:56,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:44:56,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:44:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:56,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:56,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:44:57,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:44:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-10-29 14:44:57,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:44:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 14:44:57,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:44:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:57,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:44:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:44:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:44:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:44:57,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:44:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:44:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:44:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:44:57,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:44:57,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:44:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:44:57,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:44:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:44:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:57,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:57,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:57,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 14:44:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:44:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:57,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:44:57,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:57,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 14:44:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:44:57,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:44:57,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:44:57,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:44:57,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:44:57,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:44:57,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:44:57,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:44:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:44:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:44:57,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:44:57,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:44:57,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:44:57,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888559340] [2020-10-29 14:44:57,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:44:57,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:44:57,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783300728] [2020-10-29 14:44:57,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:44:57,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:44:57,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:44:57,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:44:57,784 INFO L87 Difference]: Start difference. First operand 2224 states and 3553 transitions. Second operand 10 states. [2020-10-29 14:44:58,509 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 14:44:58,675 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 14:45:06,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:06,581 INFO L93 Difference]: Finished difference Result 10180 states and 20663 transitions. [2020-10-29 14:45:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 14:45:06,582 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-29 14:45:06,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:06,668 INFO L225 Difference]: With dead ends: 10180 [2020-10-29 14:45:06,669 INFO L226 Difference]: Without dead ends: 7997 [2020-10-29 14:45:06,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=256, Invalid=800, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 14:45:06,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7997 states. [2020-10-29 14:45:07,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7997 to 6232. [2020-10-29 14:45:07,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6232 states. [2020-10-29 14:45:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6232 states to 6232 states and 11031 transitions. [2020-10-29 14:45:07,762 INFO L78 Accepts]: Start accepts. Automaton has 6232 states and 11031 transitions. Word has length 135 [2020-10-29 14:45:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:07,762 INFO L481 AbstractCegarLoop]: Abstraction has 6232 states and 11031 transitions. [2020-10-29 14:45:07,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:45:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 6232 states and 11031 transitions. [2020-10-29 14:45:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 14:45:07,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:07,782 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:45:07,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:45:07,782 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:07,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:07,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1245412225, now seen corresponding path program 1 times [2020-10-29 14:45:07,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:07,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571643806] [2020-10-29 14:45:07,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:07,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:07,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:08,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:09,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:10,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:10,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:10,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:10,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:10,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 14:45:12,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-29 14:45:12,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:45:12,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:45:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-29 14:45:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 14:45:12,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:12,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:45:12,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:12,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:12,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:12,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:12,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:45:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:45:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:45:13,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:45:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 933 [2020-10-29 14:45:13,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 14:45:13,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:13,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:13,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:13,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:13,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:45:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:13,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:45:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:45:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:13,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:45:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:45:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:14,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 14:45:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:14,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:14,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:14,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:14,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:14,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:45:14,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:14,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 14:45:14,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:14,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:45:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:14,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:14,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:14,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:14,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:14,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 14:45:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:14,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 14:45:14,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571643806] [2020-10-29 14:45:14,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:14,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:45:14,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738640429] [2020-10-29 14:45:14,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:45:14,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:14,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:45:14,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:45:14,104 INFO L87 Difference]: Start difference. First operand 6232 states and 11031 transitions. Second operand 10 states. [2020-10-29 14:45:14,832 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:45:16,339 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:45:20,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:20,382 INFO L93 Difference]: Finished difference Result 21380 states and 46609 transitions. [2020-10-29 14:45:20,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 14:45:20,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-29 14:45:20,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:20,627 INFO L225 Difference]: With dead ends: 21380 [2020-10-29 14:45:20,627 INFO L226 Difference]: Without dead ends: 15213 [2020-10-29 14:45:20,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2020-10-29 14:45:20,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15213 states. [2020-10-29 14:45:22,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15213 to 12256. [2020-10-29 14:45:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12256 states. [2020-10-29 14:45:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12256 states to 12256 states and 24155 transitions. [2020-10-29 14:45:22,768 INFO L78 Accepts]: Start accepts. Automaton has 12256 states and 24155 transitions. Word has length 135 [2020-10-29 14:45:22,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:22,768 INFO L481 AbstractCegarLoop]: Abstraction has 12256 states and 24155 transitions. [2020-10-29 14:45:22,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:45:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 12256 states and 24155 transitions. [2020-10-29 14:45:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 14:45:22,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:22,800 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:45:22,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:45:22,801 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:22,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:22,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1282858914, now seen corresponding path program 1 times [2020-10-29 14:45:22,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:22,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568017787] [2020-10-29 14:45:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:22,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:22,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:45:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:45:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 14:45:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:27,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:27,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:27,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:45:27,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:27,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:45:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:27,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:27,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:27,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:27,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:27,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:45:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:27,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:28,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:28,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:28,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:28,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:45:28,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:28,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:28,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:45:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:28,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:28,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:28,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:45:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:45:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:28,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:28,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:28,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1312 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 14:45:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:45:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:29,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:29,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:29,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:29,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:45:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:45:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:29,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:29,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 14:45:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:45:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 14:45:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:45:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:29,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:29,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 14:45:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:29,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:45:29,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568017787] [2020-10-29 14:45:29,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:29,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 14:45:29,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27082181] [2020-10-29 14:45:29,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 14:45:29,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:29,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 14:45:29,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:45:29,608 INFO L87 Difference]: Start difference. First operand 12256 states and 24155 transitions. Second operand 14 states. [2020-10-29 14:45:30,781 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 14:45:30,927 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-29 14:45:31,158 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 14:45:31,387 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 14:45:35,662 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 14:45:35,794 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-29 14:45:36,009 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 14:45:36,206 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-29 14:45:37,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:37,235 INFO L93 Difference]: Finished difference Result 25044 states and 56638 transitions. [2020-10-29 14:45:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-29 14:45:37,236 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 135 [2020-10-29 14:45:37,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:37,340 INFO L225 Difference]: With dead ends: 25044 [2020-10-29 14:45:37,341 INFO L226 Difference]: Without dead ends: 12833 [2020-10-29 14:45:37,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=336, Invalid=1146, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 14:45:37,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12833 states. [2020-10-29 14:45:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12833 to 10359. [2020-10-29 14:45:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10359 states. [2020-10-29 14:45:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10359 states to 10359 states and 18976 transitions. [2020-10-29 14:45:38,856 INFO L78 Accepts]: Start accepts. Automaton has 10359 states and 18976 transitions. Word has length 135 [2020-10-29 14:45:38,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:38,856 INFO L481 AbstractCegarLoop]: Abstraction has 10359 states and 18976 transitions. [2020-10-29 14:45:38,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 14:45:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 10359 states and 18976 transitions. [2020-10-29 14:45:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-29 14:45:38,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:38,890 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:45:38,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:45:38,891 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:38,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:38,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1004915480, now seen corresponding path program 1 times [2020-10-29 14:45:38,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:38,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924367847] [2020-10-29 14:45:38,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:38,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:39,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:39,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:40,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:40,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:40,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:40,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:43,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:45:43,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-29 14:45:43,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 14:45:43,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:44,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:44,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:45:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:45:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:44,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:45:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:45:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:45:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:45:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:45:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 14:45:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:45:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:44,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:45:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:45:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:44,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:45:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:45:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:45:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:45:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:45:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:45:44,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:45:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 14:45:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:44,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:44,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:45:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:44,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:44,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 14:45:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:44,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:44,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:44,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:44,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 14:45:44,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924367847] [2020-10-29 14:45:44,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:45:44,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:45:44,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329253064] [2020-10-29 14:45:44,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:45:44,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:45:44,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:45:44,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:45:44,390 INFO L87 Difference]: Start difference. First operand 10359 states and 18976 transitions. Second operand 10 states. [2020-10-29 14:45:52,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:45:52,428 INFO L93 Difference]: Finished difference Result 23571 states and 46552 transitions. [2020-10-29 14:45:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 14:45:52,429 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-29 14:45:52,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:45:52,555 INFO L225 Difference]: With dead ends: 23571 [2020-10-29 14:45:52,555 INFO L226 Difference]: Without dead ends: 15767 [2020-10-29 14:45:52,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=253, Invalid=677, Unknown=0, NotChecked=0, Total=930 [2020-10-29 14:45:52,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15767 states. [2020-10-29 14:45:54,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15767 to 12866. [2020-10-29 14:45:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12866 states. [2020-10-29 14:45:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12866 states to 12866 states and 24864 transitions. [2020-10-29 14:45:54,436 INFO L78 Accepts]: Start accepts. Automaton has 12866 states and 24864 transitions. Word has length 135 [2020-10-29 14:45:54,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:45:54,436 INFO L481 AbstractCegarLoop]: Abstraction has 12866 states and 24864 transitions. [2020-10-29 14:45:54,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:45:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12866 states and 24864 transitions. [2020-10-29 14:45:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:45:54,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:45:54,466 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:45:54,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 14:45:54,467 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:45:54,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:45:54,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1719436233, now seen corresponding path program 1 times [2020-10-29 14:45:54,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:45:54,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524444944] [2020-10-29 14:45:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:45:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:54,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:54,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:54,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:54,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:56,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:59,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:45:59,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-29 14:45:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 14:45:59,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:59,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:45:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 14:45:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 14:45:59,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:59,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:45:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:59,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:59,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:59,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:59,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:59,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:45:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:59,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:45:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:59,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:45:59,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:59,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:45:59,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:59,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:45:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:45:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:59,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:45:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:59,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:59,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:45:59,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:59,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:59,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:59,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:59,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:59,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:45:59,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:45:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:59,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:45:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:45:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:45:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:45:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:45:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:45:59,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:45:59,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 961 [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:00,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 14:46:00,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:00,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:00,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:00,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:46:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:00,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:46:00,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:46:00,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:46:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:00,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:46:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:00,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:46:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 14:46:00,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524444944] [2020-10-29 14:46:00,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:00,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:46:00,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784763031] [2020-10-29 14:46:00,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:46:00,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:00,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:46:00,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:46:00,798 INFO L87 Difference]: Start difference. First operand 12866 states and 24864 transitions. Second operand 9 states. [2020-10-29 14:46:00,935 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 14:46:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:09,644 INFO L93 Difference]: Finished difference Result 47016 states and 104346 transitions. [2020-10-29 14:46:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 14:46:09,650 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-29 14:46:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:09,899 INFO L225 Difference]: With dead ends: 47016 [2020-10-29 14:46:09,899 INFO L226 Difference]: Without dead ends: 34211 [2020-10-29 14:46:10,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2020-10-29 14:46:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34211 states. [2020-10-29 14:46:13,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34211 to 28601. [2020-10-29 14:46:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28601 states. [2020-10-29 14:46:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28601 states to 28601 states and 56526 transitions. [2020-10-29 14:46:13,886 INFO L78 Accepts]: Start accepts. Automaton has 28601 states and 56526 transitions. Word has length 128 [2020-10-29 14:46:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:13,887 INFO L481 AbstractCegarLoop]: Abstraction has 28601 states and 56526 transitions. [2020-10-29 14:46:13,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:46:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 28601 states and 56526 transitions. [2020-10-29 14:46:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:46:13,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:13,933 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:46:13,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 14:46:13,933 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:13,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:13,934 INFO L82 PathProgramCache]: Analyzing trace with hash -411914489, now seen corresponding path program 1 times [2020-10-29 14:46:13,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:13,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153981629] [2020-10-29 14:46:13,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:13,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:13,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:14,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:14,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:14,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:15,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:18,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:18,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 14:46:18,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,083 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 14:46:19,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:19,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:19,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:46:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:19,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:19,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:19,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:19,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:46:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:19,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:46:19,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:46:19,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:46:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:46:19,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:46:19,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-29 14:46:19,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 14:46:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 14:46:19,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:19,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:19,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:19,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:46:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:19,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:19,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:19,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:19,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:19,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:46:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:19,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:19,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 14:46:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:19,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:46:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:19,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:19,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:19,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:19,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:19,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:19,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:19,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:20,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:20,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:20,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:20,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:20,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:46:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:20,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:20,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:20,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:20,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:46:20,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153981629] [2020-10-29 14:46:20,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:20,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:46:20,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604223931] [2020-10-29 14:46:20,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:46:20,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:20,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:46:20,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:46:20,030 INFO L87 Difference]: Start difference. First operand 28601 states and 56526 transitions. Second operand 9 states. [2020-10-29 14:46:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:27,704 INFO L93 Difference]: Finished difference Result 49157 states and 97121 transitions. [2020-10-29 14:46:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 14:46:27,705 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-29 14:46:27,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:28,222 INFO L225 Difference]: With dead ends: 49157 [2020-10-29 14:46:28,222 INFO L226 Difference]: Without dead ends: 32991 [2020-10-29 14:46:28,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-10-29 14:46:28,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32991 states. [2020-10-29 14:46:31,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32991 to 28211. [2020-10-29 14:46:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28211 states. [2020-10-29 14:46:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28211 states to 28211 states and 50171 transitions. [2020-10-29 14:46:31,428 INFO L78 Accepts]: Start accepts. Automaton has 28211 states and 50171 transitions. Word has length 128 [2020-10-29 14:46:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:31,428 INFO L481 AbstractCegarLoop]: Abstraction has 28211 states and 50171 transitions. [2020-10-29 14:46:31,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:46:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 28211 states and 50171 transitions. [2020-10-29 14:46:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:46:31,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:31,439 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:46:31,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 14:46:31,440 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:31,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:31,440 INFO L82 PathProgramCache]: Analyzing trace with hash -834766966, now seen corresponding path program 1 times [2020-10-29 14:46:31,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:31,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170974664] [2020-10-29 14:46:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:31,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:31,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:35,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 14:46:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:36,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:46:36,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:36,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:36,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:46:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:36,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:46:36,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:36,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:46:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:46:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:36,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 14:46:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:36,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:36,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:36,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:36,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:46:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:46:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:36,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:46:36,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:36,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:36,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:46:36,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:46:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:36,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:36,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:46:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:36,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:36,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:36,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:46:36,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170974664] [2020-10-29 14:46:36,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:36,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 14:46:36,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563147080] [2020-10-29 14:46:36,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 14:46:36,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:36,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 14:46:36,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-29 14:46:36,955 INFO L87 Difference]: Start difference. First operand 28211 states and 50171 transitions. Second operand 11 states. [2020-10-29 14:46:37,098 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:46:43,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:46:43,924 INFO L93 Difference]: Finished difference Result 65194 states and 132840 transitions. [2020-10-29 14:46:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 14:46:43,925 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2020-10-29 14:46:43,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:46:44,420 INFO L225 Difference]: With dead ends: 65194 [2020-10-29 14:46:44,420 INFO L226 Difference]: Without dead ends: 38903 [2020-10-29 14:46:44,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2020-10-29 14:46:44,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38903 states. [2020-10-29 14:46:48,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38903 to 29488. [2020-10-29 14:46:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29488 states. [2020-10-29 14:46:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29488 states to 29488 states and 51724 transitions. [2020-10-29 14:46:48,351 INFO L78 Accepts]: Start accepts. Automaton has 29488 states and 51724 transitions. Word has length 128 [2020-10-29 14:46:48,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:46:48,351 INFO L481 AbstractCegarLoop]: Abstraction has 29488 states and 51724 transitions. [2020-10-29 14:46:48,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 14:46:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 29488 states and 51724 transitions. [2020-10-29 14:46:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:46:48,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:46:48,364 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:46:48,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 14:46:48,364 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:46:48,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:46:48,365 INFO L82 PathProgramCache]: Analyzing trace with hash -852823412, now seen corresponding path program 1 times [2020-10-29 14:46:48,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:46:48,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346119593] [2020-10-29 14:46:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:46:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:48,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:48,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:48,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:48,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:48,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:48,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:51,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:46:53,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:46:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 14:46:53,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:46:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:46:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 14:46:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:46:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 14:46:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:46:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:46:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:46:53,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:46:53,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:46:53,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:46:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:46:53,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:53,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:46:53,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:46:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:46:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:46:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:53,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:46:53,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:46:53,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:46:53,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:46:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:46:53,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:46:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 14:46:53,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:46:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 14:46:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:46:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:46:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:53,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:46:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:46:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:46:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:46:53,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:53,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:46:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:46:53,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:46:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:46:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:46:53,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:53,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 14:46:53,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:46:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:53,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:46:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:53,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:46:53,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:46:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:46:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:46:53,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:46:53,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:46:53,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:46:53,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:46:53,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:46:53,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:46:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:46:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:46:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:46:53,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:46:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:46:53,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346119593] [2020-10-29 14:46:53,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:46:53,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-29 14:46:53,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028101591] [2020-10-29 14:46:53,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 14:46:53,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:46:53,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 14:46:53,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:46:53,875 INFO L87 Difference]: Start difference. First operand 29488 states and 51724 transitions. Second operand 14 states. [2020-10-29 14:46:54,972 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-29 14:46:55,112 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-29 14:47:00,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:47:00,681 INFO L93 Difference]: Finished difference Result 62060 states and 118098 transitions. [2020-10-29 14:47:00,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 14:47:00,682 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 128 [2020-10-29 14:47:00,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:47:00,815 INFO L225 Difference]: With dead ends: 62060 [2020-10-29 14:47:00,815 INFO L226 Difference]: Without dead ends: 32633 [2020-10-29 14:47:00,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2020-10-29 14:47:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32633 states. [2020-10-29 14:47:04,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32633 to 30048. [2020-10-29 14:47:04,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30048 states. [2020-10-29 14:47:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30048 states to 30048 states and 51844 transitions. [2020-10-29 14:47:04,432 INFO L78 Accepts]: Start accepts. Automaton has 30048 states and 51844 transitions. Word has length 128 [2020-10-29 14:47:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:47:04,433 INFO L481 AbstractCegarLoop]: Abstraction has 30048 states and 51844 transitions. [2020-10-29 14:47:04,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 14:47:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30048 states and 51844 transitions. [2020-10-29 14:47:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:47:04,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:47:04,451 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:47:04,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 14:47:04,451 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:47:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:47:04,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1858752624, now seen corresponding path program 1 times [2020-10-29 14:47:04,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:47:04,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107219191] [2020-10-29 14:47:04,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:47:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:04,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:04,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:04,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:47:08,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:47:08,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4041 [2020-10-29 14:47:08,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:47:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:47:08,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 14:47:08,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:47:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:08,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:47:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:47:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:47:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:47:08,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:47:08,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:47:08,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:47:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:47:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:47:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:47:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 14:47:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:47:08,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:47:08,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:47:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:47:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:47:08,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 14:47:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 14:47:08,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:47:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 14:47:08,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:47:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 14:47:08,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:47:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:08,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:08,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:47:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 14:47:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 14:47:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:47:08,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:47:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 14:47:08,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:47:08,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:47:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:47:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 14:47:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 14:47:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:47:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 14:47:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:47:08,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:08,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:47:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 14:47:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:08,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:47:08,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:47:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 14:47:08,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107219191] [2020-10-29 14:47:08,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:47:08,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:47:08,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468603710] [2020-10-29 14:47:08,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:47:08,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:47:08,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:47:08,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:47:08,861 INFO L87 Difference]: Start difference. First operand 30048 states and 51844 transitions. Second operand 10 states. [2020-10-29 14:47:08,985 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 14:47:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:47:14,191 INFO L93 Difference]: Finished difference Result 58854 states and 99715 transitions. [2020-10-29 14:47:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 14:47:14,192 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2020-10-29 14:47:14,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:47:14,343 INFO L225 Difference]: With dead ends: 58854 [2020-10-29 14:47:14,343 INFO L226 Difference]: Without dead ends: 32103 [2020-10-29 14:47:14,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:47:14,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32103 states. [2020-10-29 14:47:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32103 to 29760. [2020-10-29 14:47:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29760 states. [2020-10-29 14:47:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29760 states to 29760 states and 51356 transitions. [2020-10-29 14:47:17,654 INFO L78 Accepts]: Start accepts. Automaton has 29760 states and 51356 transitions. Word has length 128 [2020-10-29 14:47:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:47:17,654 INFO L481 AbstractCegarLoop]: Abstraction has 29760 states and 51356 transitions. [2020-10-29 14:47:17,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:47:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29760 states and 51356 transitions. [2020-10-29 14:47:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-29 14:47:17,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:47:17,670 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 14:47:17,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 14:47:17,671 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:47:17,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:47:17,671 INFO L82 PathProgramCache]: Analyzing trace with hash -982733618, now seen corresponding path program 1 times [2020-10-29 14:47:17,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:47:17,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095856278] [2020-10-29 14:47:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:47:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:47:17,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:17,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:47:17,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking...