/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:50:44,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:50:44,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:50:44,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:50:44,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:50:44,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:50:44,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:50:44,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:50:44,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:50:44,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:50:44,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:50:44,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:50:44,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:50:44,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:50:44,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:50:44,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:50:44,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:50:44,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:50:44,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:50:44,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:50:44,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:50:44,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:50:44,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:50:44,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:50:44,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:50:44,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:50:44,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:50:44,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:50:44,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:50:44,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:50:44,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:50:44,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:50:44,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:50:44,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:50:44,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:50:44,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:50:44,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:50:44,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:50:44,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:50:44,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:50:44,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:50:44,964 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 [2020-10-15 06:50:44,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:50:44,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:50:44,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:50:44,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:50:44,989 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:50:44,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:50:44,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:50:44,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:50:44,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:50:44,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:50:44,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:50:44,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:50:44,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:50:44,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:50:44,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:50:44,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:50:44,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:50:44,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:50:44,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:50:44,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:50:44,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:50:44,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:50:44,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:50:44,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:50:44,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:50:44,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:50:44,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:50:44,994 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:50:45,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:50:45,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:50:45,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:50:45,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:50:45,336 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:50:45,337 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2020-10-15 06:50:45,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37a294730/0d12401ffdcf44c2852214051c31f79b/FLAGc2eda1091 [2020-10-15 06:50:46,220 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:50:46,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2020-10-15 06:50:46,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37a294730/0d12401ffdcf44c2852214051c31f79b/FLAGc2eda1091 [2020-10-15 06:50:46,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37a294730/0d12401ffdcf44c2852214051c31f79b [2020-10-15 06:50:46,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:50:46,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:50:46,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:50:46,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:50:46,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:50:46,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:50:46" (1/1) ... [2020-10-15 06:50:46,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c8b0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:46, skipping insertion in model container [2020-10-15 06:50:46,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:50:46" (1/1) ... [2020-10-15 06:50:46,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:50:46,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:50:48,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:50:48,355 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:50:48,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:50:48,858 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:50:48,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48 WrapperNode [2020-10-15 06:50:48,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:50:48,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:50:48,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:50:48,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:50:48,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:48,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:48,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:48,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:49,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:49,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:49,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (1/1) ... [2020-10-15 06:50:49,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:50:49,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:50:49,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:50:49,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:50:49,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (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 [2020-10-15 06:50:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:50:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:50:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 06:50:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-15 06:50:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 06:50:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-15 06:50:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-15 06:50:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-15 06:50:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-15 06:50:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-15 06:50:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:50:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 06:50:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 06:50:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-15 06:50:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-15 06:50:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-15 06:50:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-15 06:50:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-15 06:50:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-15 06:50:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-15 06:50:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 06:50:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-15 06:50:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-15 06:50:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-15 06:50:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-15 06:50:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-15 06:50:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-15 06:50:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 06:50:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-15 06:50:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-15 06:50:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 06:50:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:50:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_report [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_callback [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write_callback [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2020-10-15 06:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2020-10-15 06:50:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_read [2020-10-15 06:50:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_write [2020-10-15 06:50:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_ioctl [2020-10-15 06:50:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_open [2020-10-15 06:50:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_release [2020-10-15 06:50:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_poll [2020-10-15 06:50:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_devnode [2020-10-15 06:50:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_probe [2020-10-15 06:50:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_disconnect [2020-10-15 06:50:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2020-10-15 06:50:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2020-10-15 06:50:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-15 06:50:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-15 06:50:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:50:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-15 06:50:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-15 06:50:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-15 06:50:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-15 06:50:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 06:50:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 06:50:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:50:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 06:50:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:50:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:50:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 06:50:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 06:50:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-15 06:50:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-15 06:50:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 06:50:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-15 06:50:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 06:50:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 06:50:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 06:50:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 06:50:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 06:50:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-15 06:50:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2020-10-15 06:50:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-15 06:50:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:50:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-15 06:50:49,292 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 06:50:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-15 06:50:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-15 06:50:49,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-15 06:50:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 06:50:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-15 06:50:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 06:50:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2020-10-15 06:50:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 06:50:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-15 06:50:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-15 06:50:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:50:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:50:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 06:50:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:50:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 06:50:49,300 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 06:50:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:50:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-15 06:50:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-15 06:50:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-15 06:50:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:50:49,301 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-15 06:50:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:50:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-15 06:50:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-15 06:50:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-15 06:50:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 06:50:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 06:50:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 06:50:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:50:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 06:50:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 06:50:49,304 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 06:50:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-15 06:50:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-15 06:50:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-15 06:50:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-15 06:50:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 06:50:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-15 06:50:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:50:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:50:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-15 06:50:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:50:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-15 06:50:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-15 06:50:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-15 06:50:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-15 06:50:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-15 06:50:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-15 06:50:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-15 06:50:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 06:50:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-15 06:50:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-15 06:50:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-15 06:50:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-15 06:50:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-15 06:50:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-15 06:50:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-15 06:50:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 06:50:49,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 06:50:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_report [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_callback [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 06:50:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write_callback [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_read [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_write [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_ioctl [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:50:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_open [2020-10-15 06:50:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_release [2020-10-15 06:50:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_poll [2020-10-15 06:50:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_devnode [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_probe [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_disconnect [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-15 06:50:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:50:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:50:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:50:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-15 06:50:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-15 06:50:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-15 06:50:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:50:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:50:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:50:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 06:50:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 06:50:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 06:50:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 06:50:50,144 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:50:50,154 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-15 06:50:50,155 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-15 06:50:50,195 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:50:50,348 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-15 06:50:50,348 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-15 06:50:50,481 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-15 06:50:53,516 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:50:53,593 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2020-10-15 06:50:53,593 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2020-10-15 06:50:53,666 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:50:53,832 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2020-10-15 06:50:53,832 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2020-10-15 06:50:53,986 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:50:54,045 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-15 06:50:54,046 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-15 06:50:54,301 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:50:54,301 INFO L295 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-15 06:50:54,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:50:54 BoogieIcfgContainer [2020-10-15 06:50:54,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:50:54,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:50:54,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:50:54,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:50:54,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:50:46" (1/3) ... [2020-10-15 06:50:54,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20519547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:50:54, skipping insertion in model container [2020-10-15 06:50:54,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:50:48" (2/3) ... [2020-10-15 06:50:54,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20519547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:50:54, skipping insertion in model container [2020-10-15 06:50:54,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:50:54" (3/3) ... [2020-10-15 06:50:54,318 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2020-10-15 06:50:54,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:50:54,338 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:50:54,353 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:50:54,381 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:50:54,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:50:54,381 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:50:54,381 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:50:54,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:50:54,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:50:54,382 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:50:54,382 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:50:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states. [2020-10-15 06:50:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-15 06:50:54,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:50:54,426 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] [2020-10-15 06:50:54,427 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:50:54,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:50:54,433 INFO L82 PathProgramCache]: Analyzing trace with hash 462692525, now seen corresponding path program 1 times [2020-10-15 06:50:54,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:50:54,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614201836] [2020-10-15 06:50:54,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:50:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:55,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:57,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:57,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 06:50:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2702 [2020-10-15 06:50:57,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:57,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:50:57,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:50:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 06:50:57,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:50:58,768 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:50:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:50:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:58,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:59,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:59,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:50:59,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-10-15 06:50:59,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:59,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:50:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:50:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:50:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:59,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:59,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:50:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:50:59,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:59,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:50:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:59,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:50:59,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:59,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:50:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:59,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:59,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:50:59,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:50:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:59,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:50:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 06:50:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:50:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:50:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:59,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:59,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:59,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:50:59,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:59,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:50:59,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:59,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:50:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:59,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:50:59,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:59,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:50:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:59,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:59,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:59,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:50:59,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:50:59,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:59,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:50:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:50:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:50:59,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614201836] [2020-10-15 06:50:59,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:50:59,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 06:50:59,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899850387] [2020-10-15 06:50:59,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 06:50:59,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:50:59,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 06:50:59,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 06:50:59,602 INFO L87 Difference]: Start difference. First operand 821 states. Second operand 4 states. [2020-10-15 06:51:02,662 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-15 06:51:22,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:51:22,243 INFO L93 Difference]: Finished difference Result 2552 states and 3667 transitions. [2020-10-15 06:51:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 06:51:22,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-15 06:51:22,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:51:22,286 INFO L225 Difference]: With dead ends: 2552 [2020-10-15 06:51:22,286 INFO L226 Difference]: Without dead ends: 1787 [2020-10-15 06:51:22,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:51:22,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-10-15 06:51:22,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1574. [2020-10-15 06:51:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-10-15 06:51:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2086 transitions. [2020-10-15 06:51:22,739 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2086 transitions. Word has length 29 [2020-10-15 06:51:22,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:51:22,740 INFO L479 AbstractCegarLoop]: Abstraction has 1574 states and 2086 transitions. [2020-10-15 06:51:22,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 06:51:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2086 transitions. [2020-10-15 06:51:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 06:51:22,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:51:22,745 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] [2020-10-15 06:51:22,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:51:22,745 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:51:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:51:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1458098183, now seen corresponding path program 1 times [2020-10-15 06:51:22,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:51:22,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723789909] [2020-10-15 06:51:22,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:51:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:22,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:24,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:24,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-15 06:51:24,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1687 [2020-10-15 06:51:24,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:24,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:51:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:51:24,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 06:51:24,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:51:25,547 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:51:25,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:51:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:25,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:26,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:26,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:26,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:26,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-15 06:51:26,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:26,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:51:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:51:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:26,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:26,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:51:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:51:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:26,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:51:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:51:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:26,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:26,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:51:26,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:26,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:51:26,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:26,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:26,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:26,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 06:51:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 06:51:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:51:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:26,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:26,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:51:26,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:26,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 06:51:26,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:26,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:26,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:51:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:26,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:51:26,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:26,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:51:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:26,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:26,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:26,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:26,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:26,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:51:26,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:26,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:51:26,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:26,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:51:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 06:51:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:51:26,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723789909] [2020-10-15 06:51:26,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:51:26,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 06:51:26,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562784859] [2020-10-15 06:51:26,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 06:51:26,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:51:26,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 06:51:26,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 06:51:26,322 INFO L87 Difference]: Start difference. First operand 1574 states and 2086 transitions. Second operand 4 states. [2020-10-15 06:51:29,347 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-15 06:51:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:51:48,903 INFO L93 Difference]: Finished difference Result 5083 states and 6849 transitions. [2020-10-15 06:51:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 06:51:48,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-15 06:51:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:51:48,934 INFO L225 Difference]: With dead ends: 5083 [2020-10-15 06:51:48,934 INFO L226 Difference]: Without dead ends: 3524 [2020-10-15 06:51:48,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:51:48,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2020-10-15 06:51:49,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3116. [2020-10-15 06:51:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3116 states. [2020-10-15 06:51:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 3116 states and 4144 transitions. [2020-10-15 06:51:49,639 INFO L78 Accepts]: Start accepts. Automaton has 3116 states and 4144 transitions. Word has length 30 [2020-10-15 06:51:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:51:49,640 INFO L479 AbstractCegarLoop]: Abstraction has 3116 states and 4144 transitions. [2020-10-15 06:51:49,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 06:51:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 4144 transitions. [2020-10-15 06:51:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-15 06:51:49,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:51:49,656 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] [2020-10-15 06:51:49,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:51:49,656 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:51:49,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:51:49,657 INFO L82 PathProgramCache]: Analyzing trace with hash -817244791, now seen corresponding path program 1 times [2020-10-15 06:51:49,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:51:49,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736975799] [2020-10-15 06:51:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:51:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:51,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:54,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 06:51:54,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:51:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5175 [2020-10-15 06:51:54,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:54,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 06:51:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:51:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-15 06:51:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:51:56,071 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:51:56,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:51:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:56,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:56,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:56,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 861 [2020-10-15 06:51:56,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:56,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:51:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:51:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:51:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:51:57,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:51:57,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:51:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:51:57,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:51:57,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:57,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 06:51:57,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:51:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:51:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:51:57,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:51:57,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:51:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:51:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:51:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:57,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:51:57,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:51:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:57,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:51:57,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 06:51:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:57,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:51:57,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:57,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:57,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:51:57,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 06:51:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:57,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:51:57,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:51:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:51:57,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:51:57,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 06:51:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:57,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:51:57,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:51:57,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:51:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:51:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:51:57,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:51:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:51:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:51:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:51:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:51:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:51:57,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736975799] [2020-10-15 06:51:57,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:51:57,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:51:57,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904944282] [2020-10-15 06:51:57,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:51:57,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:51:57,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:51:57,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:51:57,251 INFO L87 Difference]: Start difference. First operand 3116 states and 4144 transitions. Second operand 6 states. [2020-10-15 06:52:00,265 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2020-10-15 06:52:08,357 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2020-10-15 06:52:17,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:52:17,932 INFO L93 Difference]: Finished difference Result 9128 states and 12409 transitions. [2020-10-15 06:52:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:52:17,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-10-15 06:52:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:52:17,979 INFO L225 Difference]: With dead ends: 9128 [2020-10-15 06:52:17,980 INFO L226 Difference]: Without dead ends: 6037 [2020-10-15 06:52:17,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:52:18,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2020-10-15 06:52:19,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 5057. [2020-10-15 06:52:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5057 states. [2020-10-15 06:52:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 6732 transitions. [2020-10-15 06:52:19,531 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 6732 transitions. Word has length 70 [2020-10-15 06:52:19,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:52:19,531 INFO L479 AbstractCegarLoop]: Abstraction has 5057 states and 6732 transitions. [2020-10-15 06:52:19,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:52:19,532 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 6732 transitions. [2020-10-15 06:52:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-15 06:52:19,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:52:19,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:52:19,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:52:19,535 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:52:19,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:52:19,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2097108469, now seen corresponding path program 1 times [2020-10-15 06:52:19,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:52:19,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523910344] [2020-10-15 06:52:19,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:52:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:19,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:19,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:24,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:24,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 06:52:24,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:52:24,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-10-15 06:52:24,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:24,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:24,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:52:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 06:52:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:25,805 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:52:25,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:52:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:25,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:26,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-15 06:52:26,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:52:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:52:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:52:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:52:26,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:52:26,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:52:26,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:52:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:52:26,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 06:52:26,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 06:52:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:26,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:52:26,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:52:26,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:26,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:26,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:52:26,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:26,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:26,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:26,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:26,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 06:52:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:26,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:52:26,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:26,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 06:52:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:26,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:52:26,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:26,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 06:52:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:26,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:26,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:26,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:26,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:52:26,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:26,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:52:26,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523910344] [2020-10-15 06:52:26,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:52:26,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:52:26,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221642069] [2020-10-15 06:52:26,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:52:26,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:52:26,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:52:26,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:52:26,593 INFO L87 Difference]: Start difference. First operand 5057 states and 6732 transitions. Second operand 6 states. [2020-10-15 06:52:29,642 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2020-10-15 06:52:31,252 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2020-10-15 06:52:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:52:50,123 INFO L93 Difference]: Finished difference Result 11069 states and 14976 transitions. [2020-10-15 06:52:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:52:50,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-10-15 06:52:50,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:52:50,161 INFO L225 Difference]: With dead ends: 11069 [2020-10-15 06:52:50,162 INFO L226 Difference]: Without dead ends: 6037 [2020-10-15 06:52:50,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:52:50,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6037 states. [2020-10-15 06:52:51,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6037 to 5057. [2020-10-15 06:52:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5057 states. [2020-10-15 06:52:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 6728 transitions. [2020-10-15 06:52:51,281 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 6728 transitions. Word has length 70 [2020-10-15 06:52:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:52:51,282 INFO L479 AbstractCegarLoop]: Abstraction has 5057 states and 6728 transitions. [2020-10-15 06:52:51,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:52:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 6728 transitions. [2020-10-15 06:52:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-15 06:52:51,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:52:51,285 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] [2020-10-15 06:52:51,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:52:51,285 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:52:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:52:51,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1395508595, now seen corresponding path program 1 times [2020-10-15 06:52:51,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:52:51,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182780026] [2020-10-15 06:52:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:52:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:51,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:52,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:52,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-15 06:52:52,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1380 [2020-10-15 06:52:52,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:52,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:52,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-15 06:52:52,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 06:52:52,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:53,705 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:52:53,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:52:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:53,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:53,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:53,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:53,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:53,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-15 06:52:53,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:53,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:53,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:53,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:52:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:53,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:53,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:52:53,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:53,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:52:53,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:53,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:53,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:53,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:53,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:53,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:52:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:53,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:52:53,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:53,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:52:53,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:53,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:54,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:54,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:52:54,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:54,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:52:54,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:54,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:54,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:54,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:54,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:54,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:54,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:52:54,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:54,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:54,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:54,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 06:52:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:54,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:54,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:54,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:52:54,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:54,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:54,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 06:52:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:54,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:54,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:54,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:54,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:54,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:52:54,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:54,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:54,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:54,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:54,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:54,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 06:52:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:54,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:54,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:54,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:54,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:54,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:52:54,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:54,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:54,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:54,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:54,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:54,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:52:54,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182780026] [2020-10-15 06:52:54,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:52:54,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:52:54,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169208886] [2020-10-15 06:52:54,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:52:54,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:52:54,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:52:54,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:52:54,094 INFO L87 Difference]: Start difference. First operand 5057 states and 6728 transitions. Second operand 5 states. [2020-10-15 06:53:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:53:06,287 INFO L93 Difference]: Finished difference Result 11324 states and 15516 transitions. [2020-10-15 06:53:06,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:53:06,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-10-15 06:53:06,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:53:06,329 INFO L225 Difference]: With dead ends: 11324 [2020-10-15 06:53:06,329 INFO L226 Difference]: Without dead ends: 6292 [2020-10-15 06:53:06,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:53:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6292 states. [2020-10-15 06:53:07,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6292 to 5313. [2020-10-15 06:53:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5313 states. [2020-10-15 06:53:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 5313 states and 7166 transitions. [2020-10-15 06:53:07,604 INFO L78 Accepts]: Start accepts. Automaton has 5313 states and 7166 transitions. Word has length 70 [2020-10-15 06:53:07,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:53:07,604 INFO L479 AbstractCegarLoop]: Abstraction has 5313 states and 7166 transitions. [2020-10-15 06:53:07,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:53:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 5313 states and 7166 transitions. [2020-10-15 06:53:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 06:53:07,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:53:07,609 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 06:53:07,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:53:07,609 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:53:07,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:53:07,609 INFO L82 PathProgramCache]: Analyzing trace with hash 2103493056, now seen corresponding path program 1 times [2020-10-15 06:53:07,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:53:07,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098173852] [2020-10-15 06:53:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:53:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:07,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:08,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:08,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 06:53:08,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:08,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1195 [2020-10-15 06:53:08,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:08,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-15 06:53:08,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 06:53:08,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,071 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:53:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:53:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-15 06:53:10,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:53:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:53:10,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:10,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:53:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:53:10,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:53:10,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:53:10,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:53:10,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:10,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 06:53:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 06:53:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:53:10,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:53:10,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 06:53:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:53:10,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:53:10,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:53:10,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:10,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 06:53:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-15 06:53:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:53:10,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:53:10,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 06:53:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 06:53:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 06:53:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:10,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:10,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 06:53:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:10,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 06:53:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:10,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:10,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 06:53:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:10,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:10,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:10,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:10,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:53:10,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:10,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:10,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:53:10,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098173852] [2020-10-15 06:53:10,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:53:10,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:53:10,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385051094] [2020-10-15 06:53:10,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:53:10,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:53:10,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:53:10,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:53:10,640 INFO L87 Difference]: Start difference. First operand 5313 states and 7166 transitions. Second operand 6 states. [2020-10-15 06:53:26,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:53:26,820 INFO L93 Difference]: Finished difference Result 12293 states and 17203 transitions. [2020-10-15 06:53:26,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:53:26,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2020-10-15 06:53:26,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:53:26,857 INFO L225 Difference]: With dead ends: 12293 [2020-10-15 06:53:26,857 INFO L226 Difference]: Without dead ends: 7005 [2020-10-15 06:53:26,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:53:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7005 states. [2020-10-15 06:53:27,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7005 to 5849. [2020-10-15 06:53:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5849 states. [2020-10-15 06:53:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5849 states to 5849 states and 8085 transitions. [2020-10-15 06:53:27,918 INFO L78 Accepts]: Start accepts. Automaton has 5849 states and 8085 transitions. Word has length 109 [2020-10-15 06:53:27,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:53:27,918 INFO L479 AbstractCegarLoop]: Abstraction has 5849 states and 8085 transitions. [2020-10-15 06:53:27,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:53:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5849 states and 8085 transitions. [2020-10-15 06:53:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 06:53:27,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:53:27,923 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 06:53:27,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 06:53:27,923 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:53:27,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:53:27,923 INFO L82 PathProgramCache]: Analyzing trace with hash 401869116, now seen corresponding path program 1 times [2020-10-15 06:53:27,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:53:27,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868079809] [2020-10-15 06:53:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:53:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:28,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:29,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:29,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:29,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:33,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:33,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-15 06:53:33,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:53:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5111 [2020-10-15 06:53:33,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:33,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:53:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-15 06:53:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 06:53:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:34,499 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:53:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:53:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:34,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:34,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:34,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-15 06:53:34,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:34,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:34,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:53:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:34,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:34,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:53:34,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:34,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:34,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:34,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:34,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:53:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:34,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:34,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:34,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:53:34,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:34,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:53:34,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:34,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:34,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:34,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:34,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:34,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:34,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:53:34,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:53:34,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:34,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:34,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:34,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:34,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:34,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:34,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:34,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:34,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:34,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:34,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 06:53:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 06:53:35,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 06:53:35,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 06:53:35,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 06:53:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:35,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:35,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:53:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:35,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:53:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:53:35,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:53:35,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:35,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:53:35,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:35,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 06:53:35,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 06:53:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:35,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:35,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-15 06:53:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:53:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:35,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 06:53:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:35,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:35,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:35,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 06:53:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:35,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:35,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-15 06:53:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:35,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:35,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:35,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:35,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:35,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:35,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:35,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:35,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:53:35,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868079809] [2020-10-15 06:53:35,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:53:35,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 06:53:35,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504492781] [2020-10-15 06:53:35,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 06:53:35,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:53:35,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 06:53:35,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-15 06:53:35,228 INFO L87 Difference]: Start difference. First operand 5849 states and 8085 transitions. Second operand 8 states. [2020-10-15 06:53:36,488 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 448 [2020-10-15 06:53:51,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:53:51,544 INFO L93 Difference]: Finished difference Result 14170 states and 20554 transitions. [2020-10-15 06:53:51,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 06:53:51,545 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-10-15 06:53:51,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:53:51,600 INFO L225 Difference]: With dead ends: 14170 [2020-10-15 06:53:51,600 INFO L226 Difference]: Without dead ends: 8346 [2020-10-15 06:53:51,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-15 06:53:51,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8346 states. [2020-10-15 06:53:52,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8346 to 6485. [2020-10-15 06:53:52,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6485 states. [2020-10-15 06:53:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6485 states to 6485 states and 9156 transitions. [2020-10-15 06:53:53,014 INFO L78 Accepts]: Start accepts. Automaton has 6485 states and 9156 transitions. Word has length 115 [2020-10-15 06:53:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:53:53,014 INFO L479 AbstractCegarLoop]: Abstraction has 6485 states and 9156 transitions. [2020-10-15 06:53:53,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 06:53:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6485 states and 9156 transitions. [2020-10-15 06:53:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-15 06:53:53,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:53:53,020 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-15 06:53:53,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 06:53:53,021 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:53:53,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:53:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash -339424558, now seen corresponding path program 1 times [2020-10-15 06:53:53,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:53:53,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140089622] [2020-10-15 06:53:53,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:53:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:53,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:54,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:54,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:55,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:57,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:58,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:58,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-15 06:53:58,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 06:53:58,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-15 06:53:58,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:58,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:53:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-15 06:53:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-15 06:53:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,137 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-15 06:53:59,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:53:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-15 06:53:59,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:53:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:53:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:53:59,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:53:59,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:53:59,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:53:59,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:59,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-15 06:53:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 06:53:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-15 06:53:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-15 06:53:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:59,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:53:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:59,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 06:53:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:53:59,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:59,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:53:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:53:59,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:59,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:59,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 06:53:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:53:59,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-15 06:53:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:59,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:53:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:59,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 06:53:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:53:59,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:53:59,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:53:59,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 06:53:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:53:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:53:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:53:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-15 06:53:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:59,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:53:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-15 06:53:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:53:59,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 06:53:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:53:59,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:53:59,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:53:59,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:53:59,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:53:59,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:53:59,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:53:59,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:53:59,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:53:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:53:59,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:53:59,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:53:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 06:53:59,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140089622] [2020-10-15 06:53:59,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 06:53:59,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-15 06:53:59,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566004577] [2020-10-15 06:53:59,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 06:53:59,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:53:59,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 06:53:59,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:53:59,714 INFO L87 Difference]: Start difference. First operand 6485 states and 9156 transitions. Second operand 9 states. [2020-10-15 06:54:00,618 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2020-10-15 06:54:14,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:54:14,818 INFO L93 Difference]: Finished difference Result 15517 states and 22877 transitions. [2020-10-15 06:54:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 06:54:14,819 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 133 [2020-10-15 06:54:14,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:54:14,858 INFO L225 Difference]: With dead ends: 15517 [2020-10-15 06:54:14,858 INFO L226 Difference]: Without dead ends: 9057 [2020-10-15 06:54:14,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-15 06:54:14,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9057 states.