/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-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:33:53,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:33:53,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:33:53,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:33:53,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:33:53,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:33:53,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:33:53,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:33:53,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:33:53,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:33:53,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:33:53,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:33:53,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:33:53,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:33:53,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:33:53,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:33:53,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:33:53,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:33:53,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:33:53,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:33:53,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:33:53,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:33:53,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:33:53,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:33:53,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:33:53,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:33:53,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:33:53,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:33:53,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:33:53,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:33:53,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:33:53,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:33:53,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:33:53,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:33:53,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:33:53,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:33:53,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:33:53,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:33:53,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:33:53,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:33:53,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:33:53,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 08:33:53,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:33:53,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:33:53,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:33:53,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:33:53,657 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:33:53,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:33:53,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:33:53,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:33:53,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:33:53,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:33:53,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:33:53,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:33:53,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:33:53,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:33:53,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:33:53,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:33:53,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:33:53,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:33:53,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:33:53,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:33:53,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:33:53,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:33:53,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:33:53,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:33:53,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:33:53,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:33:53,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:33:53,662 INFO L138 SettingsManager]: * To the following directory=dump/ 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:33:54,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:33:54,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:33:54,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:33:54,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:33:54,052 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:33:54,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-27 08:33:54,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ae42b619/ecea15e2d2304c689f06262713f8a929/FLAG9f2062c62 [2020-10-27 08:33:55,059 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:33:55,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-27 08:33:55,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ae42b619/ecea15e2d2304c689f06262713f8a929/FLAG9f2062c62 [2020-10-27 08:33:55,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ae42b619/ecea15e2d2304c689f06262713f8a929 [2020-10-27 08:33:55,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:33:55,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:33:55,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:33:55,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:33:55,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:33:55,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:33:55" (1/1) ... [2020-10-27 08:33:55,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4268f0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:55, skipping insertion in model container [2020-10-27 08:33:55,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:33:55" (1/1) ... [2020-10-27 08:33:55,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:33:55,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:33:56,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:33:56,547 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:33:56,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:33:56,814 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:33:56,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56 WrapperNode [2020-10-27 08:33:56,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:33:56,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:33:56,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:33:56,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:33:56,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (1/1) ... [2020-10-27 08:33:56,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:33:56,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:33:56,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:33:56,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:33:56,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (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 08:33:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:33:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:33:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:33:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-27 08:33:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:33:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:33:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-27 08:33:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 08:33:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 08:33:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-27 08:33:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-27 08:33:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-27 08:33:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:33:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-27 08:33:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-27 08:33:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-27 08:33:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-27 08:33:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-10-27 08:33:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-27 08:33:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2020-10-27 08:33:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2020-10-27 08:33:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-27 08:33:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 08:33:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:33:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-27 08:33:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 08:33:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-27 08:33:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:33:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 08:33:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:33:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 08:33:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:33:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:33:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:33:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:33:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:33:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:33:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:33:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-27 08:33:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:33:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:33:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:33:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-27 08:33:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-27 08:33:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 08:33:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 08:33:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-27 08:33:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 08:33:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 08:33:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:33:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-27 08:33:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:33:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-27 08:33:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:33:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-27 08:33:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:33:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:33:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-27 08:33:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-27 08:33:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-10-27 08:33:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-27 08:33:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-10-27 08:33:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2020-10-27 08:33:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-27 08:33:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2020-10-27 08:33:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2020-10-27 08:33:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2020-10-27 08:33:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2020-10-27 08:33:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2020-10-27 08:33:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2020-10-27 08:33:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2020-10-27 08:33:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:33:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-27 08:33:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:33:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:33:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:33:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-27 08:33:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-27 08:33:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-27 08:33:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 08:33:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:33:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:33:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:33:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:33:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:33:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:33:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:33:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:33:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:33:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:33:57,646 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 08:33:57,688 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-27 08:33:57,688 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-27 08:33:57,946 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-27 08:33:58,034 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-27 08:33:58,035 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-27 08:33:58,229 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-27 08:34:00,778 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:34:00,779 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-27 08:34:00,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:34:00 BoogieIcfgContainer [2020-10-27 08:34:00,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:34:00,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:34:00,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:34:00,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:34:00,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:33:55" (1/3) ... [2020-10-27 08:34:00,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96fbed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:34:00, skipping insertion in model container [2020-10-27 08:34:00,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:33:56" (2/3) ... [2020-10-27 08:34:00,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96fbed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:34:00, skipping insertion in model container [2020-10-27 08:34:00,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:34:00" (3/3) ... [2020-10-27 08:34:00,795 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-27 08:34:00,807 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:34:00,814 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:34:00,827 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:34:00,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:34:00,877 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:34:00,877 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:34:00,877 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:34:00,877 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:34:00,877 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:34:00,878 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:34:00,878 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:34:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states. [2020-10-27 08:34:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 08:34:00,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:34:00,932 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] [2020-10-27 08:34:00,932 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:34:00,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:34:00,938 INFO L82 PathProgramCache]: Analyzing trace with hash 104458097, now seen corresponding path program 1 times [2020-10-27 08:34:00,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:34:00,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733402449] [2020-10-27 08:34:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:34:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:01,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:01,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:04,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:04,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 08:34:04,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:34:04,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2862 [2020-10-27 08:34:04,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:34:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:34:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 08:34:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:34:04,496 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:34:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:04,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:04,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:04,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:04,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:04,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 08:34:04,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:34:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:04,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:34:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:04,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:04,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:04,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:34:04,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:34:04,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:34:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:04,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:34:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:04,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:04,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:04,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 08:34:04,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:34:04,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:04,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:04,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:04,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:04,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:04,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:04,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:34:04,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:04,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:04,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:04,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:04,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:04,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:04,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:04,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:04,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:04,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:04,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 08:34:04,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:04,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:04,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:04,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:04,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:04,859 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 08:34:04,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733402449] [2020-10-27 08:34:04,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:34:04,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 08:34:04,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079083785] [2020-10-27 08:34:04,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 08:34:04,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:34:04,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 08:34:04,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 08:34:04,885 INFO L87 Difference]: Start difference. First operand 288 states. Second operand 4 states. [2020-10-27 08:34:07,286 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 08:34:11,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:34:11,740 INFO L93 Difference]: Finished difference Result 870 states and 1141 transitions. [2020-10-27 08:34:11,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 08:34:11,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-27 08:34:11,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:34:11,771 INFO L225 Difference]: With dead ends: 870 [2020-10-27 08:34:11,771 INFO L226 Difference]: Without dead ends: 625 [2020-10-27 08:34:11,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:34:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2020-10-27 08:34:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 506. [2020-10-27 08:34:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-10-27 08:34:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 603 transitions. [2020-10-27 08:34:11,986 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 603 transitions. Word has length 33 [2020-10-27 08:34:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:34:11,986 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 603 transitions. [2020-10-27 08:34:11,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 08:34:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 603 transitions. [2020-10-27 08:34:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 08:34:11,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:34:11,988 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] [2020-10-27 08:34:11,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:34:11,988 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:34:11,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:34:11,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1257893044, now seen corresponding path program 1 times [2020-10-27 08:34:11,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:34:11,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902950627] [2020-10-27 08:34:11,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:34:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:12,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:12,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:13,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:13,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1768 [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 08:34:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:14,124 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:34:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:14,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:14,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:14,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:14,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 08:34:14,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:14,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:34:14,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:34:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:14,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:14,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:14,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:34:14,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:34:14,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:14,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:14,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:34:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:34:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:34:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:14,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:14,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:14,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:14,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:14,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:34:14,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:34:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 08:34:14,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:14,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:14,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:14,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:14,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:14,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:14,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:14,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:14,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:14,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:14,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:14,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:14,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:14,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:14,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:14,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:14,436 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 08:34:14,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902950627] [2020-10-27 08:34:14,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:34:14,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 08:34:14,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428569281] [2020-10-27 08:34:14,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 08:34:14,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:34:14,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 08:34:14,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 08:34:14,441 INFO L87 Difference]: Start difference. First operand 506 states and 603 transitions. Second operand 4 states. [2020-10-27 08:34:16,744 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 08:34:20,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:34:20,994 INFO L93 Difference]: Finished difference Result 1683 states and 2096 transitions. [2020-10-27 08:34:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 08:34:20,994 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-27 08:34:20,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:34:21,018 INFO L225 Difference]: With dead ends: 1683 [2020-10-27 08:34:21,018 INFO L226 Difference]: Without dead ends: 1194 [2020-10-27 08:34:21,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:34:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-10-27 08:34:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1022. [2020-10-27 08:34:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-27 08:34:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1244 transitions. [2020-10-27 08:34:21,242 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1244 transitions. Word has length 34 [2020-10-27 08:34:21,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:34:21,242 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1244 transitions. [2020-10-27 08:34:21,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 08:34:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1244 transitions. [2020-10-27 08:34:21,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-27 08:34:21,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:34:21,249 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] [2020-10-27 08:34:21,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 08:34:21,249 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:34:21,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:34:21,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1377464669, now seen corresponding path program 1 times [2020-10-27 08:34:21,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:34:21,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917539637] [2020-10-27 08:34:21,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:34:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:21,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:21,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:21,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 08:34:21,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-27 08:34:21,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 08:34:21,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:34:21,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:21,950 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:34:21,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:21,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:22,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 08:34:22,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:34:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:34:22,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:22,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:34:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:22,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:34:22,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:22,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:22,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:22,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:22,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 08:34:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 08:34:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:22,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:22,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:22,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 08:34:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:22,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:34:22,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:34:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 08:34:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 08:34:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:22,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:22,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:22,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:22,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:22,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:22,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:22,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:22,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:34:22,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:22,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:22,243 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 08:34:22,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917539637] [2020-10-27 08:34:22,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:34:22,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 08:34:22,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307069360] [2020-10-27 08:34:22,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 08:34:22,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:34:22,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 08:34:22,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 08:34:22,247 INFO L87 Difference]: Start difference. First operand 1022 states and 1244 transitions. Second operand 5 states. [2020-10-27 08:34:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:34:27,059 INFO L93 Difference]: Finished difference Result 2410 states and 3104 transitions. [2020-10-27 08:34:27,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 08:34:27,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-10-27 08:34:27,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:34:27,072 INFO L225 Difference]: With dead ends: 2410 [2020-10-27 08:34:27,072 INFO L226 Difference]: Without dead ends: 1415 [2020-10-27 08:34:27,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 08:34:27,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-10-27 08:34:27,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1058. [2020-10-27 08:34:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-27 08:34:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1299 transitions. [2020-10-27 08:34:27,269 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1299 transitions. Word has length 77 [2020-10-27 08:34:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:34:27,269 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1299 transitions. [2020-10-27 08:34:27,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 08:34:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1299 transitions. [2020-10-27 08:34:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 08:34:27,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:34:27,274 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:34:27,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 08:34:27,275 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:34:27,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:34:27,275 INFO L82 PathProgramCache]: Analyzing trace with hash 29875054, now seen corresponding path program 1 times [2020-10-27 08:34:27,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:34:27,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174975170] [2020-10-27 08:34:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:34:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:27,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:27,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 08:34:32,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:34:32,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-27 08:34:32,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 08:34:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 08:34:32,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 08:34:32,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,744 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:34:32,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:32,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 08:34:32,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:32,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:34:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:34:32,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:32,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:32,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:32,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:34:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:32,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:32,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:32,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:32,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:34:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:32,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:32,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:32,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:32,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:34:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:34:33,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 08:34:33,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 08:34:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 08:34:33,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:33,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 08:34:33,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 08:34:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 08:34:33,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 08:34:33,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:34:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:34:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:34:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:33,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:34:33,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:34:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:34:33,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:34:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:34:33,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 08:34:33,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:34:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:34:33,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:34:33,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:33,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:34:33,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:33,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:33,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:33,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:33,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:34:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:34:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:34:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:33,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:33,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:33,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:33,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:34:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:33,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 08:34:33,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:34:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:34:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:33,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:34:33,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:33,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:33,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:33,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:33,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 08:34:33,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174975170] [2020-10-27 08:34:33,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 08:34:33,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 08:34:33,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204520204] [2020-10-27 08:34:33,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 08:34:33,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:34:33,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 08:34:33,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-27 08:34:33,661 INFO L87 Difference]: Start difference. First operand 1058 states and 1299 transitions. Second operand 15 states. [2020-10-27 08:34:36,430 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:36,733 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:36,989 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:37,311 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 08:34:37,613 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 08:34:37,908 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:38,196 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:38,520 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:38,814 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:41,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:34:41,622 INFO L93 Difference]: Finished difference Result 2168 states and 2684 transitions. [2020-10-27 08:34:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 08:34:41,623 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 135 [2020-10-27 08:34:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:34:41,633 INFO L225 Difference]: With dead ends: 2168 [2020-10-27 08:34:41,634 INFO L226 Difference]: Without dead ends: 1137 [2020-10-27 08:34:41,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2020-10-27 08:34:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-10-27 08:34:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 981. [2020-10-27 08:34:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2020-10-27 08:34:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1165 transitions. [2020-10-27 08:34:41,801 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1165 transitions. Word has length 135 [2020-10-27 08:34:41,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:34:41,802 INFO L481 AbstractCegarLoop]: Abstraction has 981 states and 1165 transitions. [2020-10-27 08:34:41,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 08:34:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1165 transitions. [2020-10-27 08:34:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 08:34:41,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:34:41,808 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:34:41,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 08:34:41,809 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:34:41,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:34:41,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1884220591, now seen corresponding path program 1 times [2020-10-27 08:34:41,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:34:41,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897055431] [2020-10-27 08:34:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:34:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:46,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:46,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:46,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 08:34:46,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:34:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 08:34:46,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 08:34:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 08:34:46,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 08:34:46,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,163 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:34:47,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:47,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 08:34:47,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:34:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:34:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:34:47,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:34:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:47,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:47,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:47,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:47,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:47,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:47,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:34:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:47,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:47,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:34:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:34:47,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:47,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:47,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:47,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:47,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:47,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:47,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:47,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:34:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:34:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 08:34:47,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 08:34:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 08:34:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:34:47,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 08:34:47,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 08:34:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 08:34:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:47,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 08:34:47,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 08:34:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 08:34:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:47,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 08:34:47,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:34:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:34:47,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:47,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:34:47,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:34:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:34:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:34:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:47,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:34:47,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:34:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:34:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:47,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:47,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:47,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:47,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:47,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:47,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:47,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:47,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:34:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:47,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:34:48,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:34:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:48,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:34:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:48,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:48,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:48,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:48,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:48,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:48,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:48,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:48,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:48,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:48,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:48,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:48,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:48,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:48,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:48,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 08:34:48,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897055431] [2020-10-27 08:34:48,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 08:34:48,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 08:34:48,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802141168] [2020-10-27 08:34:48,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 08:34:48,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:34:48,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 08:34:48,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-27 08:34:48,071 INFO L87 Difference]: Start difference. First operand 981 states and 1165 transitions. Second operand 17 states. [2020-10-27 08:34:50,870 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 08:34:51,182 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:51,468 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:51,779 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:52,098 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:52,400 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:52,692 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:53,070 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:53,346 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:53,647 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:53,933 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:34:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:34:56,555 INFO L93 Difference]: Finished difference Result 2133 states and 2601 transitions. [2020-10-27 08:34:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 08:34:56,555 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 135 [2020-10-27 08:34:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:34:56,566 INFO L225 Difference]: With dead ends: 2133 [2020-10-27 08:34:56,566 INFO L226 Difference]: Without dead ends: 1179 [2020-10-27 08:34:56,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=130, Invalid=682, Unknown=0, NotChecked=0, Total=812 [2020-10-27 08:34:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2020-10-27 08:34:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1005. [2020-10-27 08:34:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2020-10-27 08:34:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1197 transitions. [2020-10-27 08:34:56,716 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1197 transitions. Word has length 135 [2020-10-27 08:34:56,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:34:56,717 INFO L481 AbstractCegarLoop]: Abstraction has 1005 states and 1197 transitions. [2020-10-27 08:34:56,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 08:34:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1197 transitions. [2020-10-27 08:34:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 08:34:56,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:34:56,719 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:34:56,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 08:34:56,720 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:34:56,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:34:56,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1106352976, now seen corresponding path program 2 times [2020-10-27 08:34:56,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:34:56,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139601144] [2020-10-27 08:34:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:34:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:56,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:57,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:58,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:58,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:58,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 08:34:58,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 08:34:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1740 [2020-10-27 08:34:58,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 08:34:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-27 08:34:58,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 08:34:58,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:58,955 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:34:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:58,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:59,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 08:34:59,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:34:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:34:59,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:59,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:34:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:59,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:59,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:59,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:34:59,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:59,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:34:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:34:59,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:34:59,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:34:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:34:59,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:34:59,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:59,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:34:59,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:59,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:59,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:59,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:59,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:34:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:34:59,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:34:59,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:34:59,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:34:59,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:34:59,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:34:59,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:34:59,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:34:59,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:34:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:59,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:59,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:34:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:59,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 08:34:59,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:34:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 08:34:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:34:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:59,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:59,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:59,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:34:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:34:59,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:34:59,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:34:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:34:59,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:34:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:34:59,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:34:59,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:34:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:34:59,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:34:59,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:34:59,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:34:59,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:34:59,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:34:59,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:34:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:34:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:34:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:34:59,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:34:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 08:34:59,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139601144] [2020-10-27 08:34:59,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:34:59,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 08:34:59,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328737599] [2020-10-27 08:34:59,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 08:34:59,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:34:59,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 08:34:59,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:34:59,508 INFO L87 Difference]: Start difference. First operand 1005 states and 1197 transitions. Second operand 12 states. [2020-10-27 08:35:02,835 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-27 08:35:03,716 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:35:04,508 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-27 08:35:04,780 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:35:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:35:05,582 INFO L93 Difference]: Finished difference Result 2184 states and 2664 transitions. [2020-10-27 08:35:05,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 08:35:05,583 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2020-10-27 08:35:05,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:35:05,591 INFO L225 Difference]: With dead ends: 2184 [2020-10-27 08:35:05,591 INFO L226 Difference]: Without dead ends: 1186 [2020-10-27 08:35:05,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-10-27 08:35:05,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2020-10-27 08:35:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1008. [2020-10-27 08:35:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2020-10-27 08:35:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1201 transitions. [2020-10-27 08:35:05,741 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1201 transitions. Word has length 135 [2020-10-27 08:35:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:35:05,741 INFO L481 AbstractCegarLoop]: Abstraction has 1008 states and 1201 transitions. [2020-10-27 08:35:05,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 08:35:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1201 transitions. [2020-10-27 08:35:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 08:35:05,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:35:05,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:35:05,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 08:35:05,744 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:35:05,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:35:05,745 INFO L82 PathProgramCache]: Analyzing trace with hash 108961903, now seen corresponding path program 1 times [2020-10-27 08:35:05,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:35:05,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840669979] [2020-10-27 08:35:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:35:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:05,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:05,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:08,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:08,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 08:35:08,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:35:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2615 [2020-10-27 08:35:08,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:35:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 08:35:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:35:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:08,747 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:35:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:08,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:08,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:08,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:08,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 08:35:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:08,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:08,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:08,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:08,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:35:08,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:08,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:08,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:08,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:08,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:35:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:08,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:08,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:08,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:08,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:35:08,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:08,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:08,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:08,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:08,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:08,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:08,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:08,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:08,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:08,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:08,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:08,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:08,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:08,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:08,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:08,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:08,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:08,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:08,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:08,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:08,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:35:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 08:35:09,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:35:09,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-27 08:35:09,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:35:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 08:35:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:35:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:09,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:09,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:09,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:35:09,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:09,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:09,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:09,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:09,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:35:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:35:09,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:09,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:09,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:09,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:09,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:09,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:09,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:09,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:09,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:35:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:09,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 08:35:09,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:35:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 08:35:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:35:09,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:35:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:09,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:35:09,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:35:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 08:35:09,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:09,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:35:09,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:35:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:09,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:09,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:35:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:09,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:09,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:09,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 08:35:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:09,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:09,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:09,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 08:35:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:09,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:09,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:09,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:09,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 08:35:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:10,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:35:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:35:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:10,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:10,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:10,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:10,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:10,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:10,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:10,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:10,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:10,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 08:35:10,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840669979] [2020-10-27 08:35:10,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:35:10,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 08:35:10,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760847433] [2020-10-27 08:35:10,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 08:35:10,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:35:10,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 08:35:10,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:35:10,049 INFO L87 Difference]: Start difference. First operand 1008 states and 1201 transitions. Second operand 12 states. [2020-10-27 08:35:10,291 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:35:13,016 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 08:35:13,861 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 08:35:14,172 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 08:35:14,508 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 08:35:14,802 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 08:35:16,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:35:16,477 INFO L93 Difference]: Finished difference Result 1663 states and 2033 transitions. [2020-10-27 08:35:16,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 08:35:16,482 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2020-10-27 08:35:16,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:35:16,490 INFO L225 Difference]: With dead ends: 1663 [2020-10-27 08:35:16,490 INFO L226 Difference]: Without dead ends: 1152 [2020-10-27 08:35:16,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-27 08:35:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-10-27 08:35:16,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1022. [2020-10-27 08:35:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-27 08:35:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1217 transitions. [2020-10-27 08:35:16,645 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1217 transitions. Word has length 137 [2020-10-27 08:35:16,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:35:16,645 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1217 transitions. [2020-10-27 08:35:16,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 08:35:16,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1217 transitions. [2020-10-27 08:35:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-27 08:35:16,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:35:16,648 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:35:16,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 08:35:16,648 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:35:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:35:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash -339734736, now seen corresponding path program 1 times [2020-10-27 08:35:16,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:35:16,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [784805119] [2020-10-27 08:35:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:35:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:16,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 08:35:17,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-10-27 08:35:17,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:35:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-27 08:35:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,479 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:35:17,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:17,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 08:35:17,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:35:17,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:17,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:35:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:17,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:17,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:17,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:17,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:17,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:35:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 08:35:17,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-27 08:35:17,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:35:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 08:35:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:17,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:17,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:17,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:17,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:17,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:17,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:17,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:17,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:17,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:35:17,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:17,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:17,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:17,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:17,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:17,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:17,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:17,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:35:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:35:18,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 08:35:18,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:18,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:18,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:35:18,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:18,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:18,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:18,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:18,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:18,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:18,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:18,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:18,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:18,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:35:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 08:35:18,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:35:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 08:35:18,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:18,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:35:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:18,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:35:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:18,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:18,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:35:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 08:35:18,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 08:35:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 08:35:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:18,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:18,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 08:35:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:35:18,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:18,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:35:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:18,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:18,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:18,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:18,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:18,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:18,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:18,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:18,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:18,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:18,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 08:35:18,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [784805119] [2020-10-27 08:35:18,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:35:18,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 08:35:18,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370563998] [2020-10-27 08:35:18,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 08:35:18,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:35:18,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 08:35:18,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 08:35:18,395 INFO L87 Difference]: Start difference. First operand 1022 states and 1217 transitions. Second operand 10 states. [2020-10-27 08:35:18,639 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:35:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:35:23,024 INFO L93 Difference]: Finished difference Result 1670 states and 2030 transitions. [2020-10-27 08:35:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 08:35:23,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-10-27 08:35:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:35:23,033 INFO L225 Difference]: With dead ends: 1670 [2020-10-27 08:35:23,033 INFO L226 Difference]: Without dead ends: 1152 [2020-10-27 08:35:23,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 08:35:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-10-27 08:35:23,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1022. [2020-10-27 08:35:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-27 08:35:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1215 transitions. [2020-10-27 08:35:23,239 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1215 transitions. Word has length 137 [2020-10-27 08:35:23,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:35:23,240 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1215 transitions. [2020-10-27 08:35:23,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 08:35:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1215 transitions. [2020-10-27 08:35:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 08:35:23,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:35:23,243 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:35:23,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 08:35:23,243 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:35:23,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:35:23,244 INFO L82 PathProgramCache]: Analyzing trace with hash -2016521264, now seen corresponding path program 1 times [2020-10-27 08:35:23,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:35:23,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866947295] [2020-10-27 08:35:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:35:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 08:35:24,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1144 [2020-10-27 08:35:24,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 08:35:24,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:24,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-27 08:35:24,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,734 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:35:24,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:24,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 08:35:24,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:35:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:35:24,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:24,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:24,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:35:24,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:35:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:24,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:35:24,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:24,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:35:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:24,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:35:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:24,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:24,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:35:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:24,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:24,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:24,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:24,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 08:35:24,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 08:35:24,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:25,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:25,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:25,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:25,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:25,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:25,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:35:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:35:25,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:35:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:35:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:25,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 08:35:25,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:35:25,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:25,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:25,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:25,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:25,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:25,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:25,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:35:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:25,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 08:35:25,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:35:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:35:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 08:35:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:35:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:25,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:35:25,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:35:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:25,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:35:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:25,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 08:35:25,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:35:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:35:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:25,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:25,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:25,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:25,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:25,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:25,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:25,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:25,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 08:35:25,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866947295] [2020-10-27 08:35:25,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:35:25,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 08:35:25,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802502728] [2020-10-27 08:35:25,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 08:35:25,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:35:25,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 08:35:25,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 08:35:25,439 INFO L87 Difference]: Start difference. First operand 1022 states and 1215 transitions. Second operand 10 states. [2020-10-27 08:35:27,752 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 08:35:29,288 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 08:35:30,860 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2020-10-27 08:35:34,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:35:34,435 INFO L93 Difference]: Finished difference Result 1890 states and 2361 transitions. [2020-10-27 08:35:34,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 08:35:34,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-27 08:35:34,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:35:34,447 INFO L225 Difference]: With dead ends: 1890 [2020-10-27 08:35:34,448 INFO L226 Difference]: Without dead ends: 1885 [2020-10-27 08:35:34,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-10-27 08:35:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2020-10-27 08:35:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1652. [2020-10-27 08:35:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2020-10-27 08:35:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2033 transitions. [2020-10-27 08:35:34,701 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2033 transitions. Word has length 135 [2020-10-27 08:35:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:35:34,702 INFO L481 AbstractCegarLoop]: Abstraction has 1652 states and 2033 transitions. [2020-10-27 08:35:34,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 08:35:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2033 transitions. [2020-10-27 08:35:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 08:35:34,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:35:34,705 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:35:34,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 08:35:34,705 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:35:34,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:35:34,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1497724203, now seen corresponding path program 1 times [2020-10-27 08:35:34,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:35:34,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191901562] [2020-10-27 08:35:34,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:35:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:34,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:39,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:39,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 08:35:39,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,150 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:35:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:35:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:40,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:35:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 08:35:40,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:35:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-27 08:35:40,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:35:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 08:35:40,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:40,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:35:40,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 08:35:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:40,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:40,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:40,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:40,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:40,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:35:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:35:40,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:35:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:35:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:40,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:35:40,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:40,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:40,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:40,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:40,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:40,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 08:35:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 08:35:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:40,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 08:35:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:35:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 08:35:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:40,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:35:40,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 08:35:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 08:35:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:35:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:40,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 08:35:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:40,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:40,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:40,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 08:35:41,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191901562] [2020-10-27 08:35:41,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:35:41,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 08:35:41,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347676394] [2020-10-27 08:35:41,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 08:35:41,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:35:41,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 08:35:41,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 08:35:41,013 INFO L87 Difference]: Start difference. First operand 1652 states and 2033 transitions. Second operand 10 states. [2020-10-27 08:35:41,298 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:35:43,931 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 08:35:44,779 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-27 08:35:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:35:47,526 INFO L93 Difference]: Finished difference Result 3588 states and 4483 transitions. [2020-10-27 08:35:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 08:35:47,527 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2020-10-27 08:35:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:35:47,545 INFO L225 Difference]: With dead ends: 3588 [2020-10-27 08:35:47,546 INFO L226 Difference]: Without dead ends: 1929 [2020-10-27 08:35:47,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-27 08:35:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2020-10-27 08:35:47,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1700. [2020-10-27 08:35:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-10-27 08:35:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2107 transitions. [2020-10-27 08:35:47,858 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2107 transitions. Word has length 154 [2020-10-27 08:35:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:35:47,859 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 2107 transitions. [2020-10-27 08:35:47,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 08:35:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2107 transitions. [2020-10-27 08:35:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 08:35:47,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:35:47,862 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:35:47,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 08:35:47,863 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:35:47,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:35:47,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1030646687, now seen corresponding path program 1 times [2020-10-27 08:35:47,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:35:47,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462837314] [2020-10-27 08:35:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:35:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:47,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:48,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:48,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:48,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:48,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:52,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:52,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-27 08:35:52,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 08:35:52,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 08:35:52,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 08:35:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-27 08:35:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 08:35:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:53,239 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:35:53,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:53,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:53,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:53,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:35:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:53,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:53,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:53,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:53,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:53,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:53,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:53,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:53,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:53,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:53,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:53,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:35:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:53,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:53,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 08:35:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 08:35:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2978 [2020-10-27 08:35:56,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 08:35:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 08:35:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 08:35:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:56,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:56,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:35:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:56,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:56,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:56,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:56,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:56,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:56,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:35:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:35:56,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:35:56,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:35:56,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:35:56,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:35:56,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:35:56,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:35:56,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:35:56,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:35:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:56,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:56,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:35:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:56,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:35:56,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:35:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 08:35:56,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:35:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:56,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:56,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:35:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:35:56,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:35:56,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 08:35:56,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:35:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:35:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:35:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:35:56,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:56,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:35:56,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 08:35:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 08:35:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:35:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 08:35:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 08:35:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:56,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:35:56,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 08:35:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 08:35:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:35:56,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:35:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:35:56,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:35:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:35:56,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:35:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:35:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 08:35:56,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462837314] [2020-10-27 08:35:56,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:35:56,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 08:35:56,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252981057] [2020-10-27 08:35:56,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 08:35:56,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:35:56,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 08:35:56,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-27 08:35:56,896 INFO L87 Difference]: Start difference. First operand 1700 states and 2107 transitions. Second operand 15 states. [2020-10-27 08:35:57,177 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:36:00,800 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-27 08:36:01,160 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 08:36:03,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:36:03,685 INFO L93 Difference]: Finished difference Result 1946 states and 2436 transitions. [2020-10-27 08:36:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 08:36:03,686 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 163 [2020-10-27 08:36:03,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:36:03,697 INFO L225 Difference]: With dead ends: 1946 [2020-10-27 08:36:03,697 INFO L226 Difference]: Without dead ends: 1861 [2020-10-27 08:36:03,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2020-10-27 08:36:03,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2020-10-27 08:36:03,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1681. [2020-10-27 08:36:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1681 states. [2020-10-27 08:36:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2073 transitions. [2020-10-27 08:36:03,965 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2073 transitions. Word has length 163 [2020-10-27 08:36:03,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:36:03,966 INFO L481 AbstractCegarLoop]: Abstraction has 1681 states and 2073 transitions. [2020-10-27 08:36:03,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 08:36:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2073 transitions. [2020-10-27 08:36:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 08:36:03,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:03,969 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:36:03,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 08:36:03,969 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:03,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:03,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1429362970, now seen corresponding path program 1 times [2020-10-27 08:36:03,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:03,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000948961] [2020-10-27 08:36:03,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:04,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:04,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2320 [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-10-27 08:36:06,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:36:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:06,629 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:36:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:06,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:06,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:06,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:06,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:06,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:06,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:06,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:06,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:06,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:06,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:06,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:06,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:06,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:06,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:06,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:06,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:06,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:06,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:06,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:06,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:06,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:36:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:06,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 08:36:07,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:36:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-10-27 08:36:07,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:36:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 08:36:07,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:36:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:07,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:07,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:07,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:36:07,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:07,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:07,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:36:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:36:07,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:07,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:07,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:07,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:07,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:07,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:36:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:07,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:07,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:07,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:36:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:07,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 08:36:07,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 08:36:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 08:36:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 08:36:07,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:07,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 08:36:07,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:36:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 08:36:07,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:36:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 08:36:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:36:07,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:07,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:36:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 08:36:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:07,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:07,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 08:36:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 08:36:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:07,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:07,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:07,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 08:36:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:36:07,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:07,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:36:07,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:07,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:07,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-27 08:36:07,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000948961] [2020-10-27 08:36:07,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:36:07,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 08:36:07,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646394625] [2020-10-27 08:36:07,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 08:36:07,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:36:07,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 08:36:07,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-27 08:36:07,989 INFO L87 Difference]: Start difference. First operand 1681 states and 2073 transitions. Second operand 14 states. [2020-10-27 08:36:08,284 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:36:11,011 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 08:36:11,579 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 08:36:11,907 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 08:36:12,595 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 08:36:12,934 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 08:36:15,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:36:15,626 INFO L93 Difference]: Finished difference Result 2721 states and 3432 transitions. [2020-10-27 08:36:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 08:36:15,626 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 165 [2020-10-27 08:36:15,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:36:15,638 INFO L225 Difference]: With dead ends: 2721 [2020-10-27 08:36:15,638 INFO L226 Difference]: Without dead ends: 1861 [2020-10-27 08:36:15,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2020-10-27 08:36:15,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2020-10-27 08:36:15,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1687. [2020-10-27 08:36:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-10-27 08:36:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2076 transitions. [2020-10-27 08:36:15,909 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2076 transitions. Word has length 165 [2020-10-27 08:36:15,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:36:15,909 INFO L481 AbstractCegarLoop]: Abstraction has 1687 states and 2076 transitions. [2020-10-27 08:36:15,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 08:36:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2076 transitions. [2020-10-27 08:36:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 08:36:15,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:15,912 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:36:15,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 08:36:15,912 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:15,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:15,913 INFO L82 PathProgramCache]: Analyzing trace with hash 940071015, now seen corresponding path program 1 times [2020-10-27 08:36:15,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:15,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694192165] [2020-10-27 08:36:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:15,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:16,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:16,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 08:36:16,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-27 08:36:16,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:36:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-27 08:36:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:16,812 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:36:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:16,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:16,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:16,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:16,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:16,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 08:36:16,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:16,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:16,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:16,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:16,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:16,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:16,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:36:16,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:16,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:16,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:16,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:16,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:16,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:16,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:16,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:16,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:16,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:16,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:16,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:16,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:16,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:16,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:16,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:16,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:16,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:36:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:16,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 08:36:17,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 08:36:17,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:36:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-27 08:36:17,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:17,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:17,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:17,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:17,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:17,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:17,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:17,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:17,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:36:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:17,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:17,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:17,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:17,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:17,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:36:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:36:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:17,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:36:17,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:36:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 08:36:17,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:17,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:17,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:17,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 08:36:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 08:36:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:17,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:17,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 08:36:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 08:36:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:17,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:17,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 08:36:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:36:17,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:36:17,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:17,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:17,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:17,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:17,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:17,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:17,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 08:36:17,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694192165] [2020-10-27 08:36:17,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:36:17,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 08:36:17,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862217974] [2020-10-27 08:36:17,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 08:36:17,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:36:17,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 08:36:17,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 08:36:17,521 INFO L87 Difference]: Start difference. First operand 1687 states and 2076 transitions. Second operand 12 states. [2020-10-27 08:36:17,806 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:36:23,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:36:23,244 INFO L93 Difference]: Finished difference Result 1927 states and 2401 transitions. [2020-10-27 08:36:23,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 08:36:23,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2020-10-27 08:36:23,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:36:23,255 INFO L225 Difference]: With dead ends: 1927 [2020-10-27 08:36:23,255 INFO L226 Difference]: Without dead ends: 1871 [2020-10-27 08:36:23,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-10-27 08:36:23,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-10-27 08:36:23,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1691. [2020-10-27 08:36:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2020-10-27 08:36:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2077 transitions. [2020-10-27 08:36:23,546 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2077 transitions. Word has length 165 [2020-10-27 08:36:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:36:23,547 INFO L481 AbstractCegarLoop]: Abstraction has 1691 states and 2077 transitions. [2020-10-27 08:36:23,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 08:36:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2077 transitions. [2020-10-27 08:36:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 08:36:23,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:23,550 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:36:23,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 08:36:23,552 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:23,553 INFO L82 PathProgramCache]: Analyzing trace with hash 762321974, now seen corresponding path program 1 times [2020-10-27 08:36:23,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:23,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229129866] [2020-10-27 08:36:23,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:23,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1491 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 08:36:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,417 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:36:25,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:25,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 08:36:25,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:36:25,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:25,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:25,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:36:25,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:25,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:36:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:36:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-27 08:36:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-27 08:36:25,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 08:36:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:36:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 08:36:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:25,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:36:25,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 08:36:25,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:25,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:25,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:25,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:25,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:25,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:25,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:25,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:25,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:25,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:36:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:25,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:36:25,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:25,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:25,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:25,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:25,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:25,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:25,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:25,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:26,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:26,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:36:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:26,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 08:36:26,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:36:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:36:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 08:36:26,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:36:26,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:36:26,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:26,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:26,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:36:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:26,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:36:26,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:36:26,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:26,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:26,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 08:36:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:36:26,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:36:26,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:36:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:36:26,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 08:36:26,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 08:36:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 08:36:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:26,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:26,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:26,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 08:36:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:26,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:26,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:26,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 08:36:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 08:36:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:26,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:26,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-27 08:36:26,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229129866] [2020-10-27 08:36:26,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:36:26,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 08:36:26,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862206470] [2020-10-27 08:36:26,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 08:36:26,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:36:26,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 08:36:26,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-27 08:36:26,462 INFO L87 Difference]: Start difference. First operand 1691 states and 2077 transitions. Second operand 14 states. [2020-10-27 08:36:26,738 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:36:29,070 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 08:36:30,275 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 08:36:31,015 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2020-10-27 08:36:34,937 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 171 [2020-10-27 08:36:35,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:36:35,990 INFO L93 Difference]: Finished difference Result 3314 states and 4259 transitions. [2020-10-27 08:36:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 08:36:35,991 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-27 08:36:35,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:36:36,012 INFO L225 Difference]: With dead ends: 3314 [2020-10-27 08:36:36,012 INFO L226 Difference]: Without dead ends: 2632 [2020-10-27 08:36:36,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=186, Invalid=464, Unknown=0, NotChecked=0, Total=650 [2020-10-27 08:36:36,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2020-10-27 08:36:36,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2153. [2020-10-27 08:36:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-10-27 08:36:36,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2630 transitions. [2020-10-27 08:36:36,565 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2630 transitions. Word has length 166 [2020-10-27 08:36:36,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:36:36,566 INFO L481 AbstractCegarLoop]: Abstraction has 2153 states and 2630 transitions. [2020-10-27 08:36:36,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 08:36:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2630 transitions. [2020-10-27 08:36:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-27 08:36:36,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:36,570 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:36:36,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 08:36:36,571 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:36,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:36,571 INFO L82 PathProgramCache]: Analyzing trace with hash -572625680, now seen corresponding path program 1 times [2020-10-27 08:36:36,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:36,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469099735] [2020-10-27 08:36:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:36,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-27 08:36:42,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:36:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5335 [2020-10-27 08:36:42,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:36:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-27 08:36:42,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,301 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:36:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 08:36:42,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:42,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:36:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:36:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:42,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:42,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:42,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:42,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:42,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:42,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:42,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:36:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:36:42,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:42,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:42,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:42,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:42,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:42,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:42,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:42,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:42,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:36:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 08:36:42,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 08:36:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:36:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 08:36:42,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:42,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:42,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:42,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 08:36:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:36:42,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:42,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:36:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 08:36:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 08:36:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 08:36:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:42,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:36:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 08:36:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 08:36:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 08:36:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 08:36:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:42,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 08:36:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:36:42,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:36:42,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:36:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 08:36:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:42,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:42,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:42,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:42,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-27 08:36:42,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469099735] [2020-10-27 08:36:42,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:36:42,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 08:36:42,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852116593] [2020-10-27 08:36:42,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 08:36:42,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:36:42,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 08:36:42,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 08:36:42,855 INFO L87 Difference]: Start difference. First operand 2153 states and 2630 transitions. Second operand 10 states. [2020-10-27 08:36:43,125 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:36:46,076 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 08:36:48,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:36:48,527 INFO L93 Difference]: Finished difference Result 3775 states and 4624 transitions. [2020-10-27 08:36:48,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 08:36:48,528 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-10-27 08:36:48,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:36:48,536 INFO L225 Difference]: With dead ends: 3775 [2020-10-27 08:36:48,537 INFO L226 Difference]: Without dead ends: 1625 [2020-10-27 08:36:48,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-10-27 08:36:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2020-10-27 08:36:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1442. [2020-10-27 08:36:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1442 states. [2020-10-27 08:36:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1719 transitions. [2020-10-27 08:36:48,741 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1719 transitions. Word has length 193 [2020-10-27 08:36:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:36:48,742 INFO L481 AbstractCegarLoop]: Abstraction has 1442 states and 1719 transitions. [2020-10-27 08:36:48,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 08:36:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1719 transitions. [2020-10-27 08:36:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-27 08:36:48,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:48,745 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:36:48,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 08:36:48,745 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:48,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:48,746 INFO L82 PathProgramCache]: Analyzing trace with hash -71355376, now seen corresponding path program 1 times [2020-10-27 08:36:48,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:48,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25149946] [2020-10-27 08:36:48,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 894 [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-27 08:36:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,043 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:36:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:36:50,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:50,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:36:50,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:50,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:50,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:36:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:36:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:50,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:50,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:36:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:50,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:50,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:50,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:50,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:50,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:50,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:36:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:50,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:50,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:50,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:36:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 08:36:50,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:50,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 08:36:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:36:50,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:50,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:36:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 08:36:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 08:36:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 08:36:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 08:36:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 08:36:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 08:36:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 08:36:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 08:36:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 08:36:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:36:50,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:36:50,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 08:36:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 08:36:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:50,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:50,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:50,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:50,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:50,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-27 08:36:50,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25149946] [2020-10-27 08:36:50,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:36:50,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 08:36:50,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24565271] [2020-10-27 08:36:50,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 08:36:50,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:36:50,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 08:36:50,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 08:36:50,510 INFO L87 Difference]: Start difference. First operand 1442 states and 1719 transitions. Second operand 10 states. [2020-10-27 08:36:50,784 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:36:53,954 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-27 08:36:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:36:56,303 INFO L93 Difference]: Finished difference Result 2321 states and 2787 transitions. [2020-10-27 08:36:56,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 08:36:56,303 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-10-27 08:36:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:36:56,308 INFO L225 Difference]: With dead ends: 2321 [2020-10-27 08:36:56,308 INFO L226 Difference]: Without dead ends: 924 [2020-10-27 08:36:56,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-27 08:36:56,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-27 08:36:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 817. [2020-10-27 08:36:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-10-27 08:36:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 962 transitions. [2020-10-27 08:36:56,434 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 962 transitions. Word has length 193 [2020-10-27 08:36:56,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:36:56,434 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 962 transitions. [2020-10-27 08:36:56,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 08:36:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 962 transitions. [2020-10-27 08:36:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-27 08:36:56,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:36:56,436 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:36:56,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 08:36:56,436 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:36:56,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:36:56,436 INFO L82 PathProgramCache]: Analyzing trace with hash -156662992, now seen corresponding path program 1 times [2020-10-27 08:36:56,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:36:56,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966379010] [2020-10-27 08:36:56,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:36:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:56,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2631 [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 256 [2020-10-27 08:36:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,453 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:36:59,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:36:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:36:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:36:59,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:36:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:59,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:36:59,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:36:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:59,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:59,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:59,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:36:59,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 08:36:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:59,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 08:36:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 08:36:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:59,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:59,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:59,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 08:36:59,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:59,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:59,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 08:36:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:36:59,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:36:59,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 08:36:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:36:59,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:36:59,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:36:59,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:59,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:36:59,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:59,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:59,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:59,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 08:36:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:59,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 08:36:59,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 08:36:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:36:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:59,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:36:59,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:59,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 08:36:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:36:59,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 08:36:59,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 08:36:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 08:36:59,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 08:36:59,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:36:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:59,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:36:59,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:36:59,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:36:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:36:59,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:36:59,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:36:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:36:59,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 08:36:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 08:36:59,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 08:36:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:59,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 08:36:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:36:59,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 08:36:59,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:36:59,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 08:36:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:36:59,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:36:59,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:36:59,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:36:59,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:36:59,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:36:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:36:59,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:36:59,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 08:36:59,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:36:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:36:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:36:59,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:00,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:00,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:00,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 08:37:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:00,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:00,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:37:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 08:37:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:00,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:00,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:00,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:00,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:37:00,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-27 08:37:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:00,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:37:00,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 08:37:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:00,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:00,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:00,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:37:00,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 08:37:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:00,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 08:37:00,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-27 08:37:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:00,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:37:00,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-27 08:37:00,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966379010] [2020-10-27 08:37:00,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:37:00,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 08:37:00,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578518643] [2020-10-27 08:37:00,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 08:37:00,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:37:00,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 08:37:00,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-27 08:37:00,171 INFO L87 Difference]: Start difference. First operand 817 states and 962 transitions. Second operand 11 states. [2020-10-27 08:37:00,483 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:37:02,883 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 08:37:04,123 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 08:37:04,555 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-27 08:37:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:37:10,620 INFO L93 Difference]: Finished difference Result 1779 states and 2175 transitions. [2020-10-27 08:37:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 08:37:10,620 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 193 [2020-10-27 08:37:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:37:10,629 INFO L225 Difference]: With dead ends: 1779 [2020-10-27 08:37:10,630 INFO L226 Difference]: Without dead ends: 1772 [2020-10-27 08:37:10,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2020-10-27 08:37:10,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2020-10-27 08:37:10,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 1543. [2020-10-27 08:37:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-10-27 08:37:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 1863 transitions. [2020-10-27 08:37:10,865 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 1863 transitions. Word has length 193 [2020-10-27 08:37:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:37:10,866 INFO L481 AbstractCegarLoop]: Abstraction has 1543 states and 1863 transitions. [2020-10-27 08:37:10,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 08:37:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1863 transitions. [2020-10-27 08:37:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-27 08:37:10,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:37:10,868 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:37:10,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 08:37:10,868 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:37:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:37:10,869 INFO L82 PathProgramCache]: Analyzing trace with hash 659069276, now seen corresponding path program 1 times [2020-10-27 08:37:10,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:37:10,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247620722] [2020-10-27 08:37:10,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:37:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:11,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:11,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:11,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-27 08:37:11,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:11,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-10-27 08:37:11,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:11,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:37:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-27 08:37:11,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 08:37:11,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,282 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 08:37:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:37:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:12,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 08:37:12,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:37:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:37:12,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:12,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 08:37:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:37:12,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:12,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:12,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 08:37:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-27 08:37:12,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:12,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:12,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:37:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:37:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:37:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:37:12,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:37:12,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:37:12,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:37:12,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:37:12,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:12,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 08:37:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 08:37:12,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:37:12,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:37:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 08:37:12,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 08:37:12,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 08:37:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 08:37:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 08:37:12,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:37:12,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:37:12,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:12,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 08:37:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:37:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:37:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 08:37:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 08:37:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:12,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:37:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:37:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:12,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:37:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:37:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 08:37:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 08:37:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 08:37:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 08:37:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 08:37:13,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 08:37:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 08:37:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 08:37:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 08:37:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 08:37:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 08:37:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:37:13,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 08:37:13,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 08:37:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 08:37:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:37:13,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:13,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:37:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-27 08:37:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 08:37:13,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:37:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 08:37:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 08:37:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:37:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:37:13,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:37:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:37:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:37:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:37:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-27 08:37:13,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247620722] [2020-10-27 08:37:13,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:37:13,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 08:37:13,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702908432] [2020-10-27 08:37:13,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 08:37:13,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:37:13,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 08:37:13,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 08:37:13,265 INFO L87 Difference]: Start difference. First operand 1543 states and 1863 transitions. Second operand 11 states. [2020-10-27 08:37:13,546 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 08:37:18,040 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-27 08:37:20,989 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 162