/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.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:44:12,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:44:12,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:44:12,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:44:12,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:44:12,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:44:12,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:44:12,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:44:12,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:44:12,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:44:12,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:44:12,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:44:12,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:44:12,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:44:12,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:44:12,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:44:12,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:44:12,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:44:12,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:44:12,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:44:12,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:44:12,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:44:12,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:44:12,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:44:12,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:44:12,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:44:12,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:44:12,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:44:12,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:44:12,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:44:12,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:44:12,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:44:12,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:44:12,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:44:12,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:44:12,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:44:12,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:44:12,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:44:12,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:44:12,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:44:12,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:44:12,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:44:12,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:44:12,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:44:12,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:44:12,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:44:12,572 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:44:12,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:44:12,572 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:44:12,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:44:12,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:44:12,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:44:12,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:44:12,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:44:12,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:44:12,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:44:12,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:44:12,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:44:12,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:44:12,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:44:12,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:44:12,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:44:12,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:44:12,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:44:12,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:44:12,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:44:12,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:44:12,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:44:12,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:44:12,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:44:12,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:44:12,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:44:12,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:44:12,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:44:12,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:44:12,993 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:44:12,994 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:44:12,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-10-27 06:44:13,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/819882e95/75d53c6549f54e27a3668c4e3232717c/FLAGb0b6d9101 [2020-10-27 06:44:13,862 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:44:13,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-10-27 06:44:13,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/819882e95/75d53c6549f54e27a3668c4e3232717c/FLAGb0b6d9101 [2020-10-27 06:44:13,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/819882e95/75d53c6549f54e27a3668c4e3232717c [2020-10-27 06:44:13,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:44:13,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:44:13,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:44:13,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:44:13,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:44:13,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:44:13" (1/1) ... [2020-10-27 06:44:13,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e349ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:13, skipping insertion in model container [2020-10-27 06:44:13,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:44:13" (1/1) ... [2020-10-27 06:44:13,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:44:13,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:44:14,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:44:14,358 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:44:14,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:44:14,583 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:44:14,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14 WrapperNode [2020-10-27 06:44:14,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:44:14,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:44:14,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:44:14,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:44:14,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... [2020-10-27 06:44:14,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:44:14,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:44:14,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:44:14,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:44:14,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:44:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:44:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:44:14,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:44:14,788 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:44:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:44:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:44:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:44:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:44:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:44:14,789 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:44:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:44:14,790 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:44:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:44:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-27 06:44:14,791 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-27 06:44:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-27 06:44:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-27 06:44:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-10-27 06:44:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:44:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:44:14,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:44:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:44:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:44:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:44:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:44:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:44:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:44:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:44:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:44:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:44:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:44:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:44:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:44:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:44:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:44:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:44:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:44:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-27 06:44:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-27 06:44:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-27 06:44:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-27 06:44:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-10-27 06:44:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:44:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:44:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:44:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:44:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:44:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:44:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:44:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:44:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:44:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:44:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-27 06:44:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-27 06:44:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-27 06:44:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-27 06:44:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-10-27 06:44:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:44:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:44:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:44:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:44:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:44:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:44:16,165 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:44:16,165 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-27 06:44:16,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:44:16 BoogieIcfgContainer [2020-10-27 06:44:16,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:44:16,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:44:16,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:44:16,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:44:16,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:44:13" (1/3) ... [2020-10-27 06:44:16,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa8f897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:44:16, skipping insertion in model container [2020-10-27 06:44:16,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:44:14" (2/3) ... [2020-10-27 06:44:16,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa8f897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:44:16, skipping insertion in model container [2020-10-27 06:44:16,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:44:16" (3/3) ... [2020-10-27 06:44:16,185 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.15.cil.c [2020-10-27 06:44:16,198 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:44:16,204 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:44:16,219 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:44:16,262 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:44:16,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:44:16,263 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:44:16,263 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:44:16,264 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:44:16,264 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:44:16,264 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:44:16,264 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:44:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states. [2020-10-27 06:44:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:44:16,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:16,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:16,349 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:16,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1049535472, now seen corresponding path program 1 times [2020-10-27 06:44:16,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:16,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112581007] [2020-10-27 06:44:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:16,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:17,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:19,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:21,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:21,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:44:21,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:44:21,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 06:44:21,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:44:21,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:21,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 06:44:21,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:44:22,410 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 06:44:22,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:22,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:22,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 06:44:22,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:22,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:22,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:22,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:44:22,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:22,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:22,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:22,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:22,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:22,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:22,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:44:22,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:44:22,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:44:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:44:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:22,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:44:22,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:22,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:44:22,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:44:22,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:22,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:44:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:22,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 06:44:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:44:27,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 06:44:27,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-27 06:44:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:44:27,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:44:27,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:27,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:27,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:27,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:27,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:27,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:27,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:27,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:27,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:44:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:28,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:28,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:44:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 06:44:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:44:28,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:44:28,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:44:28,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:28,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 06:44:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:28,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:28,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:28,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:28,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:28,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:28,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112581007] [2020-10-27 06:44:28,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:28,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:44:28,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347120365] [2020-10-27 06:44:28,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:44:28,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:28,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:44:28,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:44:28,240 INFO L87 Difference]: Start difference. First operand 503 states. Second operand 8 states. [2020-10-27 06:44:28,789 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:44:28,987 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:44:29,258 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:44:36,639 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:44:37,031 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:44:47,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:44:47,691 INFO L93 Difference]: Finished difference Result 2053 states and 3441 transitions. [2020-10-27 06:44:47,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:44:47,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-27 06:44:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:44:47,750 INFO L225 Difference]: With dead ends: 2053 [2020-10-27 06:44:47,750 INFO L226 Difference]: Without dead ends: 1563 [2020-10-27 06:44:47,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:44:47,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2020-10-27 06:44:48,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1038. [2020-10-27 06:44:48,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-10-27 06:44:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1533 transitions. [2020-10-27 06:44:48,116 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1533 transitions. Word has length 241 [2020-10-27 06:44:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:44:48,117 INFO L481 AbstractCegarLoop]: Abstraction has 1038 states and 1533 transitions. [2020-10-27 06:44:48,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:44:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1533 transitions. [2020-10-27 06:44:48,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:44:48,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:44:48,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:44:48,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:44:48,123 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:44:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:44:48,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1374031503, now seen corresponding path program 1 times [2020-10-27 06:44:48,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:44:48,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650250548] [2020-10-27 06:44:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:44:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:52,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:44:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:44:53,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 06:44:53,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:44:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:44:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-27 06:44:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:53,797 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 06:44:53,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:44:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:53,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:53,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:53,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 06:44:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:44:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:53,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:44:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:53,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:53,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:44:53,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:53,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:53,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:44:53,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:53,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:44:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:53,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:53,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:44:53,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:53,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:53,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:53,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:44:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:53,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:44:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:53,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:53,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:53,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:44:53,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:53,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:44:53,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:44:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:54,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:44:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:44:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:44:54,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:44:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:44:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:44:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:54,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:54,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 06:44:59,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:44:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:44:59,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:44:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:44:59,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:44:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:44:59,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:44:59,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:44:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:44:59,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:44:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:44:59,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:44:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:44:59,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:44:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:44:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:44:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:44:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:44:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:44:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:44:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:44:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:44:59,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:44:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:44:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:44:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:44:59,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:44:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 06:44:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:44:59,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:44:59,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:44:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 06:44:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:44:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:44:59,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:44:59,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:44:59,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:44:59,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:44:59,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:44:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:44:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:44:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:44:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:44:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:44:59,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650250548] [2020-10-27 06:44:59,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:44:59,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:44:59,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072400924] [2020-10-27 06:44:59,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:44:59,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:44:59,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:44:59,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:44:59,551 INFO L87 Difference]: Start difference. First operand 1038 states and 1533 transitions. Second operand 11 states. [2020-10-27 06:45:00,095 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:45:00,303 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:45:00,599 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:45:02,501 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-27 06:45:03,000 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-10-27 06:45:03,502 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:45:03,981 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 06:45:04,261 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 06:45:07,857 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 06:45:10,634 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:45:11,198 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 06:45:11,794 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 06:45:12,309 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 06:45:12,997 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:45:24,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:45:24,931 INFO L93 Difference]: Finished difference Result 4125 states and 6552 transitions. [2020-10-27 06:45:24,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 06:45:24,932 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-27 06:45:24,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:45:24,954 INFO L225 Difference]: With dead ends: 4125 [2020-10-27 06:45:24,955 INFO L226 Difference]: Without dead ends: 3119 [2020-10-27 06:45:24,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2020-10-27 06:45:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2020-10-27 06:45:25,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2097. [2020-10-27 06:45:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2097 states. [2020-10-27 06:45:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 3121 transitions. [2020-10-27 06:45:25,351 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 3121 transitions. Word has length 241 [2020-10-27 06:45:25,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:45:25,351 INFO L481 AbstractCegarLoop]: Abstraction has 2097 states and 3121 transitions. [2020-10-27 06:45:25,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:45:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 3121 transitions. [2020-10-27 06:45:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:45:25,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:45:25,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:45:25,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:45:25,356 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:45:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:45:25,356 INFO L82 PathProgramCache]: Analyzing trace with hash -978029358, now seen corresponding path program 1 times [2020-10-27 06:45:25,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:45:25,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376479219] [2020-10-27 06:45:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:45:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:25,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:28,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:28,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:29,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:30,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:30,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:45:30,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 06:45:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:45:30,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:45:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:45:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-27 06:45:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,018 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 06:45:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:45:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:31,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 06:45:31,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:45:31,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:45:31,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:45:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:45:31,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:45:31,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:45:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:45:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:45:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:45:31,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:31,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:45:31,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:45:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:45:31,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:45:31,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:45:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:45:31,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:45:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:31,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:45:31,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:45:31,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:45:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:45:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:31,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:45:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:31,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:31,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:45:36,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:45:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:45:36,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:45:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:45:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:45:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:45:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:45:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:45:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:45:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:45:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:45:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:45:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:45:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:45:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:45:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:45:36,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:45:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:45:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:45:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:45:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:45:36,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:45:36,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 06:45:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:45:36,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:45:36,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:45:36,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 06:45:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:45:36,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:45:36,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:45:36,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:45:36,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:45:36,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:45:36,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:45:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:45:36,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:45:36,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:45:36,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:45:36,740 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 06:45:36,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376479219] [2020-10-27 06:45:36,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:45:36,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:45:36,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120527653] [2020-10-27 06:45:36,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:45:36,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:45:36,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:45:36,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:45:36,744 INFO L87 Difference]: Start difference. First operand 2097 states and 3121 transitions. Second operand 11 states. [2020-10-27 06:45:37,200 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:45:37,393 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:45:37,660 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:45:39,554 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:45:40,022 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 06:45:40,502 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:45:40,971 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:45:41,246 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:45:45,397 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 06:45:46,378 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:45:48,079 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 06:45:48,653 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-27 06:45:49,318 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 06:45:49,895 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 06:45:50,611 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:45:57,102 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:45:57,545 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:46:01,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:01,880 INFO L93 Difference]: Finished difference Result 8204 states and 13081 transitions. [2020-10-27 06:46:01,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:46:01,882 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-27 06:46:01,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:01,920 INFO L225 Difference]: With dead ends: 8204 [2020-10-27 06:46:01,921 INFO L226 Difference]: Without dead ends: 6139 [2020-10-27 06:46:01,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-27 06:46:01,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2020-10-27 06:46:02,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 4207. [2020-10-27 06:46:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4207 states. [2020-10-27 06:46:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 4207 states and 6286 transitions. [2020-10-27 06:46:02,655 INFO L78 Accepts]: Start accepts. Automaton has 4207 states and 6286 transitions. Word has length 241 [2020-10-27 06:46:02,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:02,656 INFO L481 AbstractCegarLoop]: Abstraction has 4207 states and 6286 transitions. [2020-10-27 06:46:02,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:46:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 4207 states and 6286 transitions. [2020-10-27 06:46:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:46:02,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:02,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:02,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:46:02,660 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:02,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:02,661 INFO L82 PathProgramCache]: Analyzing trace with hash 551353105, now seen corresponding path program 1 times [2020-10-27 06:46:02,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:02,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339268737] [2020-10-27 06:46:02,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:02,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:02,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:02,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:02,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:03,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:03,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:07,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:46:07,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:46:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:46:07,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:46:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:46:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:46:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:08,221 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 06:46:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:08,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:08,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:08,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:08,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:46:08,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:08,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:08,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:08,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:08,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:46:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:08,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:46:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:08,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:08,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:46:08,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:08,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:46:08,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:46:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:46:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 06:46:13,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:13,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:13,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:13,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:13,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:46:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:46:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:46:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:46:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:46:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:46:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:46:13,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:46:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 06:46:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:46:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 06:46:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:13,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:13,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:13,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:13,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:13,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:13,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:13,775 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 06:46:13,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339268737] [2020-10-27 06:46:13,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:13,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:46:13,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49442365] [2020-10-27 06:46:13,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:46:13,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:13,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:46:13,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:46:13,778 INFO L87 Difference]: Start difference. First operand 4207 states and 6286 transitions. Second operand 8 states. [2020-10-27 06:46:14,229 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:46:14,425 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:46:14,671 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:46:17,986 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:46:18,897 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:46:19,363 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 06:46:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:46:30,380 INFO L93 Difference]: Finished difference Result 15986 states and 25271 transitions. [2020-10-27 06:46:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 06:46:30,380 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-27 06:46:30,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:46:30,456 INFO L225 Difference]: With dead ends: 15986 [2020-10-27 06:46:30,456 INFO L226 Difference]: Without dead ends: 11811 [2020-10-27 06:46:30,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:46:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11811 states. [2020-10-27 06:46:32,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11811 to 8371. [2020-10-27 06:46:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8371 states. [2020-10-27 06:46:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8371 states to 8371 states and 12562 transitions. [2020-10-27 06:46:32,116 INFO L78 Accepts]: Start accepts. Automaton has 8371 states and 12562 transitions. Word has length 241 [2020-10-27 06:46:32,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:46:32,117 INFO L481 AbstractCegarLoop]: Abstraction has 8371 states and 12562 transitions. [2020-10-27 06:46:32,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:46:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 8371 states and 12562 transitions. [2020-10-27 06:46:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:46:32,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:46:32,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:46:32,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:46:32,121 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:46:32,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:46:32,122 INFO L82 PathProgramCache]: Analyzing trace with hash 406148818, now seen corresponding path program 1 times [2020-10-27 06:46:32,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:46:32,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090712178] [2020-10-27 06:46:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:46:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:32,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:35,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:37,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 06:46:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:37,692 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 06:46:37,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:46:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:37,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:37,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:37,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:46:37,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:46:37,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:46:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:37,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:37,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:46:37,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:37,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:46:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:37,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:46:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:37,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:37,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:37,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:46:37,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:37,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:46:37,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:37,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:46:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:37,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:37,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:46:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:37,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:46:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:37,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:37,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:46:37,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:37,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:46:37,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:46:37,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 06:46:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:46:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:38,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:38,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:38,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:38,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:38,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:38,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:38,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:46:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:46:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:46:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:46:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:43,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:46:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:46:43,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:46:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:46:43,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:46:43,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:46:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:46:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:46:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:46:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:46:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:46:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:46:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:46:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:46:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:46:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:46:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:46:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 06:46:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:46:43,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:46:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:46:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 06:46:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:46:43,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:46:43,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:46:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:46:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:46:43,287 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 06:46:43,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090712178] [2020-10-27 06:46:43,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:46:43,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:46:43,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413326443] [2020-10-27 06:46:43,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:46:43,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:46:43,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:46:43,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:46:43,290 INFO L87 Difference]: Start difference. First operand 8371 states and 12562 transitions. Second operand 12 states. [2020-10-27 06:46:43,800 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:46:43,992 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 06:46:44,264 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 06:46:46,284 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-27 06:46:46,762 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 06:46:47,264 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 06:46:47,749 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 06:46:48,039 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:46:53,594 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:46:58,970 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 06:46:59,438 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-27 06:46:59,925 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:47:00,391 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:47:00,724 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 06:47:03,425 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 06:47:04,079 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 06:47:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:47:10,189 INFO L93 Difference]: Finished difference Result 32151 states and 51361 transitions. [2020-10-27 06:47:10,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:47:10,189 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 241 [2020-10-27 06:47:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:47:10,308 INFO L225 Difference]: With dead ends: 32151 [2020-10-27 06:47:10,308 INFO L226 Difference]: Without dead ends: 23811 [2020-10-27 06:47:10,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-27 06:47:10,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23811 states. [2020-10-27 06:47:13,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23811 to 17081. [2020-10-27 06:47:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17081 states. [2020-10-27 06:47:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17081 states to 17081 states and 25783 transitions. [2020-10-27 06:47:13,254 INFO L78 Accepts]: Start accepts. Automaton has 17081 states and 25783 transitions. Word has length 241 [2020-10-27 06:47:13,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:47:13,255 INFO L481 AbstractCegarLoop]: Abstraction has 17081 states and 25783 transitions. [2020-10-27 06:47:13,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:47:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 17081 states and 25783 transitions. [2020-10-27 06:47:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-27 06:47:13,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:47:13,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:47:13,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:47:13,267 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:47:13,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:47:13,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1376741168, now seen corresponding path program 1 times [2020-10-27 06:47:13,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:47:13,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129183832] [2020-10-27 06:47:13,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:47:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:13,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:13,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:16,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:16,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:18,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:18,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-27 06:47:18,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 06:47:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:47:18,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:47:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:47:18,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 06:47:18,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:18,779 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 06:47:18,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:47:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:18,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:18,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:18,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:47:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:47:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:18,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:47:18,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:18,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:47:18,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:47:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:47:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:18,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:47:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:47:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:18,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 06:47:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:47:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:19,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:47:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 06:47:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:19,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:19,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:19,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:47:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:47:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:47:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:47:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:24,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:47:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:47:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:47:24,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:47:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:47:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:47:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:47:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:47:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:47:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:24,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:47:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:47:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:24,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:47:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:47:24,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:47:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:47:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 06:47:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 06:47:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-27 06:47:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:47:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-27 06:47:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:47:24,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:47:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:47:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:47:24,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129183832] [2020-10-27 06:47:24,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:47:24,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:47:24,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030438012] [2020-10-27 06:47:24,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:47:24,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:47:24,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:47:24,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:47:24,296 INFO L87 Difference]: Start difference. First operand 17081 states and 25783 transitions. Second operand 11 states. [2020-10-27 06:47:24,753 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-27 06:47:24,937 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:47:25,210 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:47:27,280 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-27 06:47:27,827 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-10-27 06:47:28,366 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:47:28,904 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-10-27 06:47:29,244 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 06:47:33,257 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 06:47:37,445 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:47:37,665 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 06:47:38,222 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 06:47:38,812 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 06:47:39,349 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-10-27 06:47:39,755 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 06:47:39,986 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 06:47:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:47:54,755 INFO L93 Difference]: Finished difference Result 64600 states and 103371 transitions. [2020-10-27 06:47:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:47:54,756 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2020-10-27 06:47:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:47:54,991 INFO L225 Difference]: With dead ends: 64600 [2020-10-27 06:47:54,991 INFO L226 Difference]: Without dead ends: 47551 [2020-10-27 06:47:55,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-27 06:47:55,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47551 states.