/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/transmitter.08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:42:37,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:42:37,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:42:37,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:42:37,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:42:37,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:42:37,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:42:37,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:42:37,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:42:37,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:42:37,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:42:37,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:42:37,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:42:37,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:42:37,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:42:37,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:42:37,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:42:37,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:42:37,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:42:37,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:42:37,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:42:37,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:42:37,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:42:37,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:42:37,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:42:37,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:42:37,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:42:37,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:42:37,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:42:37,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:42:37,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:42:37,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:42:37,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:42:37,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:42:37,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:42:37,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:42:37,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:42:37,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:42:37,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:42:37,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:42:37,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:42:37,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:42:37,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:42:37,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:42:37,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:42:37,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:42:37,424 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:42:37,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:42:37,425 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:42:37,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:42:37,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:42:37,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:42:37,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:42:37,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:42:37,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:42:37,427 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:42:37,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:42:37,427 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:42:37,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:42:37,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:42:37,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:42:37,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:42:37,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:42:37,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:42:37,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:42:37,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:42:37,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:42:37,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:42:37,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:42:37,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:42:37,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:42:37,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:42:37,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:42:37,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:42:37,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:42:37,860 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:42:37,861 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:42:37,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.08.cil.c [2020-10-27 06:42:37,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5fcd5aca/6faa5eefe7b7438abc9462ca1efb57d1/FLAGebdf2f8b7 [2020-10-27 06:42:38,578 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:42:38,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.08.cil.c [2020-10-27 06:42:38,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5fcd5aca/6faa5eefe7b7438abc9462ca1efb57d1/FLAGebdf2f8b7 [2020-10-27 06:42:38,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5fcd5aca/6faa5eefe7b7438abc9462ca1efb57d1 [2020-10-27 06:42:38,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:42:38,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:42:38,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:42:38,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:42:38,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:42:38,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:42:38" (1/1) ... [2020-10-27 06:42:38,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5d2833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:38, skipping insertion in model container [2020-10-27 06:42:38,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:42:38" (1/1) ... [2020-10-27 06:42:38,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:42:39,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:42:39,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:42:39,316 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:42:39,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:42:39,554 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:42:39,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39 WrapperNode [2020-10-27 06:42:39,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:42:39,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:42:39,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:42:39,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:42:39,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... [2020-10-27 06:42:39,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:42:39,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:42:39,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:42:39,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:42:39,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:42:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:42:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:42:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:42:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:42:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:42:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:42:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:42:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:42:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:42:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:42:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:42:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:42:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:42:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:42:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:42:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:42:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:42:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:42:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:42:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:42:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:42:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:42:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:42:39,767 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:42:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:42:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:42:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:42:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:42:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:42:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:42:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:42:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:42:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:42:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:42:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:42:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:42:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:42:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:42:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:42:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:42:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:42:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:42:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:42:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:42:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:42:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:42:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:42:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:42:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:42:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:42:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:42:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:42:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:42:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:42:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:42:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:42:41,362 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:42:41,363 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-27 06:42:41,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:42:41 BoogieIcfgContainer [2020-10-27 06:42:41,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:42:41,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:42:41,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:42:41,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:42:41,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:42:38" (1/3) ... [2020-10-27 06:42:41,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7272574b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:42:41, skipping insertion in model container [2020-10-27 06:42:41,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:42:39" (2/3) ... [2020-10-27 06:42:41,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7272574b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:42:41, skipping insertion in model container [2020-10-27 06:42:41,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:42:41" (3/3) ... [2020-10-27 06:42:41,377 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.08.cil.c [2020-10-27 06:42:41,390 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:42:41,395 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:42:41,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:42:41,442 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:42:41,442 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:42:41,442 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:42:41,443 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:42:41,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:42:41,443 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:42:41,443 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:42:41,443 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:42:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-10-27 06:42:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:42:41,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:42:41,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:42:41,498 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:42:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:42:41,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1219957812, now seen corresponding path program 1 times [2020-10-27 06:42:41,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:42:41,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825234432] [2020-10-27 06:42:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:42:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:46,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:46,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:42:46,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:42:46,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 06:42:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:42:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:42:46,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:42:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:42:47,414 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:42:47,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:42:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:47,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:47,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:42:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:42:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:47,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:42:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:47,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:42:47,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:42:47,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:42:47,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:47,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:42:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:47,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:42:47,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:47,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:47,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:42:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:47,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:42:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:47,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:42:47,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:42:47,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:47,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:42:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:42:47,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:47,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:42:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:42:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 06:42:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:42:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:42:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:47,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:42:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:47,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:49,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:42:52,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:42:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:42:52,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:42:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:42:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:42:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:42:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:52,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:52,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:52,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:52,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:52,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:52,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:52,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:42:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:52,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:42:53,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:42:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:42:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:42:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:42:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:53,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:42:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:53,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:42:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:53,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:42:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:53,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:42:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:53,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 06:42:53,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:42:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:42:53,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:42:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:42:53,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:53,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:42:53,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:42:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:42:53,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:42:53,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:42:53,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:42:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:42:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:42:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:42:53,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:42:53,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:42:53,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:42:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:42:53,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:42:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:42:53,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:42:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:42:53,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:42:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:42:53,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825234432] [2020-10-27 06:42:53,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:42:53,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:42:53,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793440593] [2020-10-27 06:42:53,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:42:53,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:42:53,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:42:53,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:42:53,380 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 13 states. [2020-10-27 06:42:53,982 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:42:54,183 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:42:54,471 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:42:55,915 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:42:56,273 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:42:56,435 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:42:56,798 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:42:56,972 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:42:57,297 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:43:03,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:03,933 INFO L93 Difference]: Finished difference Result 923 states and 1516 transitions. [2020-10-27 06:43:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 06:43:03,936 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:43:03,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:03,958 INFO L225 Difference]: With dead ends: 923 [2020-10-27 06:43:03,958 INFO L226 Difference]: Without dead ends: 584 [2020-10-27 06:43:03,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-10-27 06:43:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-10-27 06:43:04,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 346. [2020-10-27 06:43:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-27 06:43:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 492 transitions. [2020-10-27 06:43:04,149 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 492 transitions. Word has length 181 [2020-10-27 06:43:04,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:04,150 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 492 transitions. [2020-10-27 06:43:04,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 492 transitions. [2020-10-27 06:43:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:43:04,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:04,157 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:04,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:43:04,157 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:04,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:04,158 INFO L82 PathProgramCache]: Analyzing trace with hash 748256628, now seen corresponding path program 1 times [2020-10-27 06:43:04,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:04,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190624976] [2020-10-27 06:43:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:04,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:04,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:04,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:04,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:07,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:08,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:09,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:43:09,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 06:43:09,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 06:43:09,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:43:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:09,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 06:43:09,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:09,564 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:43:09,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:09,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:09,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:09,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:43:09,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:09,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:09,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:09,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:09,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:09,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:09,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:09,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:09,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:09,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:09,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:09,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:09,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:43:09,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:09,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:09,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:43:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:43:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:09,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:09,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:43:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 06:43:09,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:43:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:43:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:09,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:43:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:09,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:10,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:43:11,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:43:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1146 [2020-10-27 06:43:11,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:43:11,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:43:11,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:43:11,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:11,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:11,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:11,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:43:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:43:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:11,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:11,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:11,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:11,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:11,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:11,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:43:11,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190624976] [2020-10-27 06:43:11,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:11,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:43:11,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296280432] [2020-10-27 06:43:11,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:43:11,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:11,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:43:11,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:43:11,229 INFO L87 Difference]: Start difference. First operand 346 states and 492 transitions. Second operand 13 states. [2020-10-27 06:43:11,530 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:43:11,694 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:43:13,360 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:13,668 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:43:14,112 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:14,537 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:43:18,065 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 06:43:18,330 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:18,603 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 06:43:19,002 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 06:43:22,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:22,574 INFO L93 Difference]: Finished difference Result 1039 states and 1569 transitions. [2020-10-27 06:43:22,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:43:22,575 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:43:22,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:22,587 INFO L225 Difference]: With dead ends: 1039 [2020-10-27 06:43:22,587 INFO L226 Difference]: Without dead ends: 719 [2020-10-27 06:43:22,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:43:22,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-10-27 06:43:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 452. [2020-10-27 06:43:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-10-27 06:43:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 619 transitions. [2020-10-27 06:43:22,690 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 619 transitions. Word has length 181 [2020-10-27 06:43:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:22,691 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 619 transitions. [2020-10-27 06:43:22,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 619 transitions. [2020-10-27 06:43:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:43:22,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:22,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:22,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:43:22,695 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:22,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:22,696 INFO L82 PathProgramCache]: Analyzing trace with hash -477829774, now seen corresponding path program 1 times [2020-10-27 06:43:22,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:22,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880854685] [2020-10-27 06:43:22,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:22,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:24,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:25,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:27,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:27,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:43:27,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 06:43:27,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:43:27,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:43:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 06:43:27,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,080 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:43:28,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:43:28,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:28,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:28,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:28,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:28,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:43:28,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:43:28,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:43:28,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:43:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:43:28,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:43:28,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:43:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:43:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:43:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:43:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:43:28,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:43:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-27 06:43:28,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:43:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 06:43:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:43:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:28,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:28,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:28,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:28,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:28,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:28,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:43:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:43:28,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:43:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:43:28,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:43:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:28,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:28,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:28,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:28,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:43:28,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880854685] [2020-10-27 06:43:28,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:28,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:43:28,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714511364] [2020-10-27 06:43:28,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:43:28,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:28,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:43:28,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:43:28,946 INFO L87 Difference]: Start difference. First operand 452 states and 619 transitions. Second operand 13 states. [2020-10-27 06:43:29,235 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:43:31,092 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:31,373 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:43:31,800 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:43:32,205 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:43:35,818 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 06:43:36,102 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:36,410 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 06:43:36,817 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 06:43:40,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:40,443 INFO L93 Difference]: Finished difference Result 1319 states and 1929 transitions. [2020-10-27 06:43:40,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:43:40,444 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:43:40,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:40,453 INFO L225 Difference]: With dead ends: 1319 [2020-10-27 06:43:40,453 INFO L226 Difference]: Without dead ends: 893 [2020-10-27 06:43:40,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:43:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-27 06:43:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 568. [2020-10-27 06:43:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2020-10-27 06:43:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 754 transitions. [2020-10-27 06:43:40,578 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 754 transitions. Word has length 181 [2020-10-27 06:43:40,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:40,578 INFO L481 AbstractCegarLoop]: Abstraction has 568 states and 754 transitions. [2020-10-27 06:43:40,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 754 transitions. [2020-10-27 06:43:40,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:43:40,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:40,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:40,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:43:40,582 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:40,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1171862065, now seen corresponding path program 1 times [2020-10-27 06:43:40,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:40,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117425884] [2020-10-27 06:43:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:41,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:41,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:42,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:45,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:45,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:43:45,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 06:43:45,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 06:43:45,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:43:45,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:43:45,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 06:43:45,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:45,873 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:43:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:43:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:45,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:45,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:43:45,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:43:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:43:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:45,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:43:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:43:45,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:43:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:43:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:45,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:45,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:45,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:43:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:43:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:45,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:45,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:45,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:43:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:43:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:43:46,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:43:46,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:43:46,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:43:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:43:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:43:46,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:43:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-27 06:43:46,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:43:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:43:46,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:43:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:43:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:43:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:46,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:43:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:46,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:43:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:46,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:46,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:43:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:43:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:43:46,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:43:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:43:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:43:46,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:43:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:43:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:46,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:46,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:43:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:43:46,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:46,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:43:46,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:43:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:43:46,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:43:46,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:43:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:43:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:46,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:46,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:43:46,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:43:46,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:43:46,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:43:46,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:43:46,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:43:46,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:43:46,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:43:46,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:43:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:43:46,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117425884] [2020-10-27 06:43:46,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:43:46,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:43:46,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638951719] [2020-10-27 06:43:46,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:43:46,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:43:46,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:43:46,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:43:46,593 INFO L87 Difference]: Start difference. First operand 568 states and 754 transitions. Second operand 13 states. [2020-10-27 06:43:46,928 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:43:48,856 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:49,129 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:43:49,531 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:49,912 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:43:55,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:43:55,043 INFO L93 Difference]: Finished difference Result 1411 states and 2000 transitions. [2020-10-27 06:43:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:43:55,044 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:43:55,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:43:55,051 INFO L225 Difference]: With dead ends: 1411 [2020-10-27 06:43:55,051 INFO L226 Difference]: Without dead ends: 869 [2020-10-27 06:43:55,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:43:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-27 06:43:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 573. [2020-10-27 06:43:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-10-27 06:43:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 754 transitions. [2020-10-27 06:43:55,165 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 754 transitions. Word has length 181 [2020-10-27 06:43:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:43:55,166 INFO L481 AbstractCegarLoop]: Abstraction has 573 states and 754 transitions. [2020-10-27 06:43:55,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:43:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 754 transitions. [2020-10-27 06:43:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:43:55,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:43:55,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:43:55,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:43:55,169 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:43:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:43:55,170 INFO L82 PathProgramCache]: Analyzing trace with hash 491988083, now seen corresponding path program 1 times [2020-10-27 06:43:55,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:43:55,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054640983] [2020-10-27 06:43:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:43:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:43:55,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:55,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:57,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:59,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:43:59,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:44:00,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 06:44:00,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 06:44:00,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:44:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:00,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-27 06:44:00,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,484 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:44:00,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:00,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:44:00,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:00,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:00,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:00,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:00,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:44:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:44:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:00,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 06:44:00,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:44:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:44:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:44:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:44:00,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-27 06:44:00,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:44:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:00,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:00,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:00,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:44:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:00,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:01,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:44:01,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:44:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:44:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:01,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:01,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:01,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:01,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054640983] [2020-10-27 06:44:01,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:01,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:44:01,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553322946] [2020-10-27 06:44:01,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:44:01,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:01,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:44:01,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:44:01,110 INFO L87 Difference]: Start difference. First operand 573 states and 754 transitions. Second operand 10 states. [2020-10-27 06:44:01,357 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:44:01,665 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:44:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:06,600 INFO L93 Difference]: Finished difference Result 1405 states and 1937 transitions. [2020-10-27 06:44:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:44:06,601 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-10-27 06:44:06,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:06,608 INFO L225 Difference]: With dead ends: 1405 [2020-10-27 06:44:06,608 INFO L226 Difference]: Without dead ends: 858 [2020-10-27 06:44:06,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:44:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-27 06:44:06,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 573. [2020-10-27 06:44:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-10-27 06:44:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 751 transitions. [2020-10-27 06:44:06,719 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 751 transitions. Word has length 181 [2020-10-27 06:44:06,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:06,720 INFO L481 AbstractCegarLoop]: Abstraction has 573 states and 751 transitions. [2020-10-27 06:44:06,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:44:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 751 transitions. [2020-10-27 06:44:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:44:06,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:06,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:06,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:44:06,724 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:06,724 INFO L82 PathProgramCache]: Analyzing trace with hash -879819215, now seen corresponding path program 1 times [2020-10-27 06:44:06,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:06,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57757701] [2020-10-27 06:44:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:06,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:06,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:06,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:07,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:09,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:09,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:10,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:11,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 06:44:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,020 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:44:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:12,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:44:12,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:12,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:12,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:12,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:44:12,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:44:12,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:44:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:44:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:12,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:44:12,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:44:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:44:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:44:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:44:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 06:44:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 06:44:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:44:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:12,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:44:12,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:44:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:44:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:12,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:12,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:12,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:12,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57757701] [2020-10-27 06:44:12,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:12,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:44:12,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727007895] [2020-10-27 06:44:12,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:44:12,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:12,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:44:12,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:44:12,591 INFO L87 Difference]: Start difference. First operand 573 states and 751 transitions. Second operand 13 states. [2020-10-27 06:44:12,866 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:44:15,337 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:44:15,663 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:44:16,101 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:44:16,534 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:44:21,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:21,237 INFO L93 Difference]: Finished difference Result 1432 states and 2003 transitions. [2020-10-27 06:44:21,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:44:21,238 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:44:21,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:21,245 INFO L225 Difference]: With dead ends: 1432 [2020-10-27 06:44:21,245 INFO L226 Difference]: Without dead ends: 885 [2020-10-27 06:44:21,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:44:21,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-27 06:44:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 588. [2020-10-27 06:44:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-27 06:44:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 763 transitions. [2020-10-27 06:44:21,361 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 763 transitions. Word has length 181 [2020-10-27 06:44:21,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:21,361 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 763 transitions. [2020-10-27 06:44:21,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:44:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 763 transitions. [2020-10-27 06:44:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:44:21,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:21,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:21,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:44:21,365 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:21,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:21,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1005004625, now seen corresponding path program 1 times [2020-10-27 06:44:21,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:21,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057809455] [2020-10-27 06:44:21,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:25,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:44:26,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 06:44:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 06:44:26,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 06:44:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,684 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:44:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:26,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:26,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:26,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:26,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:44:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:44:26,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:44:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:44:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:44:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:44:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:44:26,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:44:26,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:44:26,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:26,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:44:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:26,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:44:26,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:26,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:44:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:26,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:27,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:27,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:27,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:27,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:27,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057809455] [2020-10-27 06:44:27,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:27,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:44:27,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503467685] [2020-10-27 06:44:27,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:44:27,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:27,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:44:27,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:44:27,051 INFO L87 Difference]: Start difference. First operand 588 states and 763 transitions. Second operand 9 states. [2020-10-27 06:44:27,355 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:44:32,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:32,869 INFO L93 Difference]: Finished difference Result 1441 states and 1958 transitions. [2020-10-27 06:44:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 06:44:32,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-10-27 06:44:32,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:32,877 INFO L225 Difference]: With dead ends: 1441 [2020-10-27 06:44:32,877 INFO L226 Difference]: Without dead ends: 879 [2020-10-27 06:44:32,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:44:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-10-27 06:44:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 588. [2020-10-27 06:44:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-27 06:44:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 760 transitions. [2020-10-27 06:44:32,999 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 760 transitions. Word has length 181 [2020-10-27 06:44:32,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:32,999 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 760 transitions. [2020-10-27 06:44:32,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:44:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 760 transitions. [2020-10-27 06:44:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:44:33,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:33,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:33,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:44:33,003 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:33,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:33,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1904536849, now seen corresponding path program 1 times [2020-10-27 06:44:33,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:33,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264282606] [2020-10-27 06:44:33,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:33,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:33,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:35,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 06:44:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,288 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:44:38,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:38,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:44:38,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:38,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:44:38,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:44:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:38,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:38,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:44:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:44:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:38,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:38,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:44:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:44:38,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:44:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:38,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:38,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:38,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:38,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264282606] [2020-10-27 06:44:38,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:38,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:44:38,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71537793] [2020-10-27 06:44:38,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:44:38,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:38,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:44:38,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:44:38,641 INFO L87 Difference]: Start difference. First operand 588 states and 760 transitions. Second operand 9 states. [2020-10-27 06:44:38,915 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:44:44,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:44,467 INFO L93 Difference]: Finished difference Result 1586 states and 2169 transitions. [2020-10-27 06:44:44,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:44:44,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-10-27 06:44:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:44,475 INFO L225 Difference]: With dead ends: 1586 [2020-10-27 06:44:44,475 INFO L226 Difference]: Without dead ends: 1024 [2020-10-27 06:44:44,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:44:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2020-10-27 06:44:44,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 699. [2020-10-27 06:44:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-27 06:44:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 887 transitions. [2020-10-27 06:44:44,639 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 887 transitions. Word has length 181 [2020-10-27 06:44:44,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:44,640 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 887 transitions. [2020-10-27 06:44:44,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:44:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 887 transitions. [2020-10-27 06:44:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:44:44,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:44,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:44,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:44:44,644 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:44,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1975312336, now seen corresponding path program 1 times [2020-10-27 06:44:44,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:44,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809388102] [2020-10-27 06:44:44,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:44,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:44,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:44,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:49,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:44:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:49,950 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:44:49,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:49,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:50,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:50,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:44:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:44:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:50,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:44:50,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:50,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:44:50,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:44:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:44:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:50,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 06:44:50,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:50,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:50,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:44:50,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:50,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:44:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:44:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:50,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:50,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809388102] [2020-10-27 06:44:50,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:50,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:44:50,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504095494] [2020-10-27 06:44:50,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:44:50,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:50,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:44:50,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:44:50,410 INFO L87 Difference]: Start difference. First operand 699 states and 887 transitions. Second operand 13 states. [2020-10-27 06:44:50,713 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:44:50,856 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:44:52,965 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:44:53,258 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 06:44:53,535 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:44:53,942 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:44:57,204 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-27 06:44:57,724 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:44:57,988 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 06:44:58,286 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-27 06:44:58,564 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:44:58,983 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:44:59,271 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 06:44:59,817 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:45:00,102 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 06:45:03,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:03,152 INFO L93 Difference]: Finished difference Result 1904 states and 2557 transitions. [2020-10-27 06:45:03,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 06:45:03,153 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:45:03,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:03,160 INFO L225 Difference]: With dead ends: 1904 [2020-10-27 06:45:03,160 INFO L226 Difference]: Without dead ends: 1231 [2020-10-27 06:45:03,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 06:45:03,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2020-10-27 06:45:03,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 815. [2020-10-27 06:45:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2020-10-27 06:45:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1013 transitions. [2020-10-27 06:45:03,331 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1013 transitions. Word has length 181 [2020-10-27 06:45:03,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:03,332 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 1013 transitions. [2020-10-27 06:45:03,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:45:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1013 transitions. [2020-10-27 06:45:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:45:03,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:03,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:03,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:45:03,334 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:03,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:03,334 INFO L82 PathProgramCache]: Analyzing trace with hash 328494353, now seen corresponding path program 1 times [2020-10-27 06:45:03,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:03,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774548197] [2020-10-27 06:45:03,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:03,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:03,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:08,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 06:45:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,634 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:45:08,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:08,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:45:08,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:08,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:08,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:08,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:08,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:45:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:45:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:08,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:08,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:45:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:45:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:45:08,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 06:45:08,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:45:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:08,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:08,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:45:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:08,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:08,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:08,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:09,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:09,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:45:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:09,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:09,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:09,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:09,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:45:09,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:45:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:09,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:09,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:09,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:09,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:09,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:09,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:09,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:09,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:09,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:09,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774548197] [2020-10-27 06:45:09,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:09,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:45:09,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105063626] [2020-10-27 06:45:09,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:45:09,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:09,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:45:09,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:45:09,062 INFO L87 Difference]: Start difference. First operand 815 states and 1013 transitions. Second operand 13 states. [2020-10-27 06:45:09,342 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:45:11,308 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-27 06:45:11,575 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-27 06:45:11,992 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 06:45:12,373 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 06:45:17,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:17,194 INFO L93 Difference]: Finished difference Result 1982 states and 2608 transitions. [2020-10-27 06:45:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:45:17,195 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 181 [2020-10-27 06:45:17,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:17,200 INFO L225 Difference]: With dead ends: 1982 [2020-10-27 06:45:17,200 INFO L226 Difference]: Without dead ends: 1193 [2020-10-27 06:45:17,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:45:17,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2020-10-27 06:45:17,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 820. [2020-10-27 06:45:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-10-27 06:45:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1011 transitions. [2020-10-27 06:45:17,370 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1011 transitions. Word has length 181 [2020-10-27 06:45:17,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:17,370 INFO L481 AbstractCegarLoop]: Abstraction has 820 states and 1011 transitions. [2020-10-27 06:45:17,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:45:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1011 transitions. [2020-10-27 06:45:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:45:17,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:17,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:17,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:45:17,372 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:17,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:17,373 INFO L82 PathProgramCache]: Analyzing trace with hash 121256975, now seen corresponding path program 1 times [2020-10-27 06:45:17,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:17,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287899216] [2020-10-27 06:45:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:17,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:17,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:18,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 06:45:22,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,663 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:45:22,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:22,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:22,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:22,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:22,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:45:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:45:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:22,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:45:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:45:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:45:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:22,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:22,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:22,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:45:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:22,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:45:22,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:45:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:22,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:45:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:22,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:22,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:22,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:22,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:22,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:22,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:23,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287899216] [2020-10-27 06:45:23,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:23,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:45:23,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494822579] [2020-10-27 06:45:23,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:45:23,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:23,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:45:23,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:45:23,026 INFO L87 Difference]: Start difference. First operand 820 states and 1011 transitions. Second operand 9 states. [2020-10-27 06:45:23,320 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:45:29,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:29,309 INFO L93 Difference]: Finished difference Result 2087 states and 2710 transitions. [2020-10-27 06:45:29,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:45:29,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-10-27 06:45:29,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:29,316 INFO L225 Difference]: With dead ends: 2087 [2020-10-27 06:45:29,316 INFO L226 Difference]: Without dead ends: 1293 [2020-10-27 06:45:29,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:45:29,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-10-27 06:45:29,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 906. [2020-10-27 06:45:29,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2020-10-27 06:45:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1102 transitions. [2020-10-27 06:45:29,531 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1102 transitions. Word has length 181 [2020-10-27 06:45:29,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:29,531 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1102 transitions. [2020-10-27 06:45:29,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:45:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1102 transitions. [2020-10-27 06:45:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:45:29,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:29,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:29,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:45:29,534 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:29,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:29,535 INFO L82 PathProgramCache]: Analyzing trace with hash 459544525, now seen corresponding path program 1 times [2020-10-27 06:45:29,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:29,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150216301] [2020-10-27 06:45:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:29,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:30,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:33,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:33,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:45:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 06:45:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:45:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:45:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 06:45:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,820 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:45:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:34,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:34,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:34,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:45:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:34,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:45:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:34,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:34,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:34,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:34,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:34,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:45:34,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:45:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:45:35,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:45:35,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:45:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:35,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:35,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:35,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:45:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:45:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:45:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:35,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:35,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:35,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:35,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150216301] [2020-10-27 06:45:35,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:35,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:45:35,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257746880] [2020-10-27 06:45:35,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:45:35,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:35,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:45:35,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:45:35,155 INFO L87 Difference]: Start difference. First operand 906 states and 1102 transitions. Second operand 10 states. [2020-10-27 06:45:35,432 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:45:39,750 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:45:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:42,353 INFO L93 Difference]: Finished difference Result 2277 states and 2907 transitions. [2020-10-27 06:45:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 06:45:42,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-10-27 06:45:42,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:42,360 INFO L225 Difference]: With dead ends: 2277 [2020-10-27 06:45:42,361 INFO L226 Difference]: Without dead ends: 1397 [2020-10-27 06:45:42,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-27 06:45:42,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-10-27 06:45:42,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 982. [2020-10-27 06:45:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2020-10-27 06:45:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1179 transitions. [2020-10-27 06:45:42,576 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1179 transitions. Word has length 181 [2020-10-27 06:45:42,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:42,577 INFO L481 AbstractCegarLoop]: Abstraction has 982 states and 1179 transitions. [2020-10-27 06:45:42,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:45:42,577 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1179 transitions. [2020-10-27 06:45:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:45:42,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:42,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:42,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 06:45:42,579 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 734304139, now seen corresponding path program 1 times [2020-10-27 06:45:42,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:42,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219125095] [2020-10-27 06:45:42,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:42,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:43,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:45,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:45,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:46,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:47,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 06:45:47,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:47,857 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:45:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:47,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:47,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:47,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:45:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:47,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:47,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:47,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:47,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:47,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:45:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:45:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:48,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:45:48,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:45:48,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:45:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:45:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:45:48,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:45:48,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:45:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:48,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:48,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:45:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:45:48,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:48,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 06:45:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:45:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:48,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:45:48,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219125095] [2020-10-27 06:45:48,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:48,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:45:48,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339347144] [2020-10-27 06:45:48,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:45:48,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:48,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:45:48,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:45:48,162 INFO L87 Difference]: Start difference. First operand 982 states and 1179 transitions. Second operand 9 states. [2020-10-27 06:45:48,436 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:45:48,729 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:45:54,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:54,514 INFO L93 Difference]: Finished difference Result 2476 states and 3122 transitions. [2020-10-27 06:45:54,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:45:54,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-10-27 06:45:54,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:54,523 INFO L225 Difference]: With dead ends: 2476 [2020-10-27 06:45:54,523 INFO L226 Difference]: Without dead ends: 1520 [2020-10-27 06:45:54,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:45:54,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2020-10-27 06:45:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1083. [2020-10-27 06:45:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1083 states. [2020-10-27 06:45:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1284 transitions. [2020-10-27 06:45:54,801 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1284 transitions. Word has length 181 [2020-10-27 06:45:54,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:54,801 INFO L481 AbstractCegarLoop]: Abstraction has 1083 states and 1284 transitions. [2020-10-27 06:45:54,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:45:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1284 transitions. [2020-10-27 06:45:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:45:54,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:54,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:54,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 06:45:54,804 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:54,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:54,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1126180788, now seen corresponding path program 1 times [2020-10-27 06:45:54,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:54,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144680589] [2020-10-27 06:45:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:54,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:54,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:54,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:54,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:55,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:55,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:55,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:45:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-27 06:45:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,109 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 06:46:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:00,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:00,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:00,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:46:00,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:46:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:46:00,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:46:00,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:46:00,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:46:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 06:46:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-27 06:46:00,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:46:00,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 06:46:00,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:46:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 06:46:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:46:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 06:46:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:00,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:00,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:00,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:00,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:00,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:46:00,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144680589] [2020-10-27 06:46:00,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:00,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:46:00,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148525143] [2020-10-27 06:46:00,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:46:00,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:00,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:46:00,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:46:00,568 INFO L87 Difference]: Start difference. First operand 1083 states and 1284 transitions. Second operand 9 states. [2020-10-27 06:46:00,873 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:46:01,007 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-27 06:46:06,159 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 06:46:09,816 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-27 06:46:13,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:13,495 INFO L93 Difference]: Finished difference Result 5309 states and 6655 transitions. [2020-10-27 06:46:13,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 06:46:13,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-10-27 06:46:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:13,518 INFO L225 Difference]: With dead ends: 5309 [2020-10-27 06:46:13,519 INFO L226 Difference]: Without dead ends: 4252 [2020-10-27 06:46:13,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-10-27 06:46:13,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4252 states. [2020-10-27 06:46:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4252 to 3138. [2020-10-27 06:46:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3138 states. [2020-10-27 06:46:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 3716 transitions. [2020-10-27 06:46:14,150 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 3716 transitions. Word has length 181 [2020-10-27 06:46:14,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:14,150 INFO L481 AbstractCegarLoop]: Abstraction has 3138 states and 3716 transitions. [2020-10-27 06:46:14,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:46:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 3716 transitions. [2020-10-27 06:46:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-27 06:46:14,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:14,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:14,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 06:46:14,152 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:14,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1815597847, now seen corresponding path program 1 times [2020-10-27 06:46:14,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:14,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730840819] [2020-10-27 06:46:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:14,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:14,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:14,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:14,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:14,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:14,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking...