/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 04:49:45,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 04:49:45,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 04:49:45,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 04:49:45,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 04:49:45,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 04:49:45,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 04:49:45,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 04:49:45,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 04:49:45,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 04:49:45,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 04:49:45,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 04:49:45,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 04:49:45,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 04:49:45,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 04:49:45,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 04:49:45,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 04:49:45,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 04:49:45,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 04:49:45,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 04:49:45,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 04:49:45,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 04:49:45,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 04:49:45,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 04:49:45,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 04:49:45,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 04:49:45,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 04:49:45,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 04:49:45,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 04:49:45,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 04:49:45,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 04:49:45,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 04:49:45,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 04:49:45,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 04:49:45,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 04:49:45,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 04:49:45,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 04:49:45,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 04:49:45,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 04:49:45,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 04:49:45,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 04:49:45,519 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 [2020-10-28 04:49:45,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 04:49:45,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 04:49:45,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 04:49:45,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 04:49:45,552 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 04:49:45,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 04:49:45,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 04:49:45,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 04:49:45,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 04:49:45,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 04:49:45,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 04:49:45,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 04:49:45,554 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 04:49:45,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 04:49:45,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 04:49:45,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 04:49:45,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 04:49:45,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 04:49:45,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 04:49:45,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 04:49:45,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 04:49:45,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 04:49:45,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 04:49:45,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 04:49:45,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 04:49:45,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 04:49:45,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 04:49:45,557 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 04:49:45,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 04:49:46,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 04:49:46,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 04:49:46,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 04:49:46,010 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 04:49:46,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-28 04:49:46,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4dba89f84/7f97f80d72904366b3a32bbe1dd7a5b1/FLAG215db9e6f [2020-10-28 04:49:47,274 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 04:49:47,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-28 04:49:47,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4dba89f84/7f97f80d72904366b3a32bbe1dd7a5b1/FLAG215db9e6f [2020-10-28 04:49:47,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4dba89f84/7f97f80d72904366b3a32bbe1dd7a5b1 [2020-10-28 04:49:47,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 04:49:47,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 04:49:47,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 04:49:47,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 04:49:47,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 04:49:47,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:49:47" (1/1) ... [2020-10-28 04:49:47,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2bff5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:47, skipping insertion in model container [2020-10-28 04:49:47,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:49:47" (1/1) ... [2020-10-28 04:49:47,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 04:49:47,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 04:49:49,659 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-28 04:49:49,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:49:49,687 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 04:49:50,117 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-28 04:49:50,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 04:49:50,318 INFO L208 MainTranslator]: Completed translation [2020-10-28 04:49:50,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50 WrapperNode [2020-10-28 04:49:50,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 04:49:50,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 04:49:50,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 04:49:50,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 04:49:50,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (1/1) ... [2020-10-28 04:49:50,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 04:49:50,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 04:49:50,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 04:49:50,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 04:49:50,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (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 [2020-10-28 04:49:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 04:49:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 04:49:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 04:49:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-28 04:49:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 04:49:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-28 04:49:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 04:49:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-28 04:49:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-28 04:49:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-28 04:49:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 04:49:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 04:49:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 04:49:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-28 04:49:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-28 04:49:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_hwtstamps [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 04:49:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 04:49:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 04:49:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 04:49:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 04:49:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 04:49:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 04:49:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_gpio_defaults [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2020-10-28 04:49:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2020-10-28 04:49:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2020-10-28 04:49:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2020-10-28 04:49:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2rxts [2020-10-28 04:49:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2020-10-28 04:49:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_output [2020-10-28 04:49:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjfreq [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_adjtime [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_gettime [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_settime [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_enable [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_dp83640_verify [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_status_frame [2020-10-28 04:49:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure expired [2020-10-28 04:49:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2020-10-28 04:49:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2020-10-28 04:49:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure recalibrate [2020-10-28 04:49:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2020-10-28 04:49:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_evnt [2020-10-28 04:49:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_rxts [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_txts [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_status_frame [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sync [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure match [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_free_clocks [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_init [2020-10-28 04:49:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_this_phy [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get_bus [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_probe [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_remove [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2020-10-28 04:49:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2020-10-28 04:49:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2020-10-28 04:49:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2020-10-28 04:49:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_timestamp_work [2020-10-28 04:49:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2020-10-28 04:49:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2020-10-28 04:49:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_init [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_exit [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_phy_driver_1 [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 04:49:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2020-10-28 04:49:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_15 [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_ni_16 [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 04:49:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 04:49:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-28 04:49:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-28 04:49:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-28 04:49:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 04:49:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 04:49:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-28 04:49:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2020-10-28 04:49:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2020-10-28 04:49:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_read_status [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2020-10-28 04:49:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_register [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_driver_unregister [2020-10-28 04:49:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_event [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_index [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_register [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_clock_unregister [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ptp_find_pin [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-28 04:49:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2020-10-28 04:49:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-28 04:49:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 04:49:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 04:49:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 04:49:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 04:49:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 04:49:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 04:49:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 04:49:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-28 04:49:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 04:49:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 04:49:50,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-28 04:49:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 04:49:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2020-10-28 04:49:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 04:49:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure skb_hwtstamps [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_15 [2020-10-28 04:49:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 04:49:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 04:49:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_phy_driver_1 [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_ni_16 [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2020-10-28 04:49:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_read_status [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_unregister [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure phy_driver_register [2020-10-28 04:49:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_register [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_unregister [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_event [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_clock_index [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_find_pin [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_gpio_defaults [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure rx_timestamp_work [2020-10-28 04:49:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure phy2rxts [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_output [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjfreq [2020-10-28 04:49:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_adjtime [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_gettime [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_settime [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_enable [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ptp_dp83640_verify [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure is_status_frame [2020-10-28 04:49:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure expired [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure recalibrate [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure decode_evnt [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure decode_rxts [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure decode_txts [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 04:49:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure decode_status_frame [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure is_sync [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure match [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_free_clocks [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_init [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure choose_this_phy [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get_bus [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2020-10-28 04:49:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_probe [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_remove [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2020-10-28 04:49:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_init [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_exit [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 04:49:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 04:49:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-10-28 04:49:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 04:49:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 04:49:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 04:49:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 04:49:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 04:49:52,284 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 04:50:10,935 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 04:50:10,935 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 04:50:10,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:50:10 BoogieIcfgContainer [2020-10-28 04:50:10,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 04:50:10,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 04:50:10,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 04:50:10,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 04:50:10,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:49:47" (1/3) ... [2020-10-28 04:50:10,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406e41a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:50:10, skipping insertion in model container [2020-10-28 04:50:10,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:49:50" (2/3) ... [2020-10-28 04:50:10,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406e41a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:50:10, skipping insertion in model container [2020-10-28 04:50:10,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:50:10" (3/3) ... [2020-10-28 04:50:10,954 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2020-10-28 04:50:10,970 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 04:50:10,979 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 04:50:10,999 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 04:50:11,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 04:50:11,056 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 04:50:11,056 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 04:50:11,056 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 04:50:11,056 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 04:50:11,056 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 04:50:11,056 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 04:50:11,056 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 04:50:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states. [2020-10-28 04:50:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-28 04:50:11,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:50:11,152 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 04:50:11,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:50:11,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:50:11,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1209053930, now seen corresponding path program 1 times [2020-10-28 04:50:11,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:50:11,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321382258] [2020-10-28 04:50:11,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:50:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:11,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:13,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:13,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 04:50:13,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1750 [2020-10-28 04:50:13,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 04:50:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 04:50:13,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 04:50:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 04:50:14,446 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2020-10-28 04:50:14,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:50:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:50:14,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-28 04:50:14,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:50:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:50:14,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:50:14,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:50:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:50:14,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 04:50:14,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:50:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:50:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:14,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:50:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:50:14,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 04:50:14,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:50:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:50:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:50:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:50:14,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 04:50:14,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:50:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:50:14,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:14,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:50:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:50:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 04:50:14,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:50:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 04:50:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 04:50:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:50:14,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 04:50:14,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:50:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 04:50:14,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:14,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:50:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:14,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:14,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:14,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:50:14,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:14,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:50:14,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:50:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:14,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:50:14,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:14,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 04:50:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:50:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:50:15,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:50:15,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:50:15,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:50:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 04:50:15,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:50:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:50:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:50:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:50:15,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:50:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 04:50:15,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321382258] [2020-10-28 04:50:15,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:50:15,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 04:50:15,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439533657] [2020-10-28 04:50:15,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 04:50:15,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:50:15,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 04:50:15,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 04:50:15,108 INFO L87 Difference]: Start difference. First operand 1213 states. Second operand 9 states. [2020-10-28 04:50:15,850 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-28 04:50:17,319 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2020-10-28 04:50:18,199 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2020-10-28 04:50:23,349 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 311 DAG size of output: 309 [2020-10-28 04:50:24,370 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 04:50:25,258 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 04:50:42,587 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2020-10-28 04:52:14,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:52:14,058 INFO L93 Difference]: Finished difference Result 3763 states and 5322 transitions. [2020-10-28 04:52:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 04:52:14,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-28 04:52:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:52:14,118 INFO L225 Difference]: With dead ends: 3763 [2020-10-28 04:52:14,119 INFO L226 Difference]: Without dead ends: 2611 [2020-10-28 04:52:14,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-28 04:52:14,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2020-10-28 04:52:14,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2085. [2020-10-28 04:52:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-10-28 04:52:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2717 transitions. [2020-10-28 04:52:14,805 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2717 transitions. Word has length 57 [2020-10-28 04:52:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:52:14,807 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2717 transitions. [2020-10-28 04:52:14,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 04:52:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2717 transitions. [2020-10-28 04:52:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-28 04:52:14,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:52:14,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:52:14,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 04:52:14,828 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:52:14,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:52:14,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1867611925, now seen corresponding path program 1 times [2020-10-28 04:52:14,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:52:14,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235120681] [2020-10-28 04:52:14,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:52:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:15,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:15,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-28 04:52:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 04:52:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5106 [2020-10-28 04:52:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:52:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-28 04:52:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:52:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:20,805 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2020-10-28 04:52:20,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:20,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:20,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:20,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:20,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 04:52:20,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:20,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:20,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:52:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:20,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:20,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:20,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:20,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:52:20,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:52:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:52:21,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 04:52:21,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:52:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:52:21,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:52:21,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:21,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:52:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:21,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:52:21,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 04:52:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 04:52:21,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 04:52:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-28 04:52:21,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:52:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 04:52:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:52:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 04:52:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 04:52:21,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:52:21,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:52:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:52:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:21,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:52:21,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 04:52:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:52:21,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 04:52:21,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:21,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:52:21,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 04:52:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 04:52:21,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 04:52:21,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:52:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 04:52:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:52:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 04:52:21,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 04:52:21,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:52:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 04:52:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:52:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 04:52:21,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 04:52:21,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 04:52:21,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 04:52:21,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 04:52:21,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 04:52:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:52:21,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 04:52:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 04:52:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:52:21,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:52:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:21,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:52:21,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:52:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 04:52:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:52:21,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:52:21,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:52:21,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:52:21,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:52:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:52:21,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:52:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:52:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:52:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:52:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 04:52:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 04:52:21,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235120681] [2020-10-28 04:52:21,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:52:21,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 04:52:21,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718030687] [2020-10-28 04:52:21,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 04:52:21,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:52:21,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 04:52:21,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 04:52:21,857 INFO L87 Difference]: Start difference. First operand 2085 states and 2717 transitions. Second operand 8 states. [2020-10-28 04:52:22,514 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-28 04:52:33,912 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2020-10-28 04:53:23,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 04:53:23,252 INFO L93 Difference]: Finished difference Result 3853 states and 5390 transitions. [2020-10-28 04:53:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 04:53:23,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-28 04:53:23,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 04:53:23,280 INFO L225 Difference]: With dead ends: 3853 [2020-10-28 04:53:23,280 INFO L226 Difference]: Without dead ends: 2751 [2020-10-28 04:53:23,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-28 04:53:23,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2020-10-28 04:53:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2087. [2020-10-28 04:53:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-10-28 04:53:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2719 transitions. [2020-10-28 04:53:23,661 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2719 transitions. Word has length 121 [2020-10-28 04:53:23,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 04:53:23,662 INFO L481 AbstractCegarLoop]: Abstraction has 2087 states and 2719 transitions. [2020-10-28 04:53:23,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 04:53:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2719 transitions. [2020-10-28 04:53:23,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-28 04:53:23,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 04:53:23,669 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 04:53:23,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 04:53:23,670 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 04:53:23,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 04:53:23,670 INFO L82 PathProgramCache]: Analyzing trace with hash 512102858, now seen corresponding path program 1 times [2020-10-28 04:53:23,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 04:53:23,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888412973] [2020-10-28 04:53:23,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 04:53:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:23,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:23,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:24,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:25,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:28,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:28,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-28 04:53:28,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 04:53:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 04:53:28,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:53:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 04:53:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:53:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,476 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2020-10-28 04:53:29,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:53:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:29,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 04:53:29,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 04:53:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:29,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:53:29,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 04:53:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 04:53:29,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 04:53:29,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 04:53:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 04:53:29,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 04:53:29,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 04:53:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:29,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:29,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 04:53:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 04:53:29,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-28 04:53:29,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 04:53:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 04:53:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 04:53:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 04:53:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 04:53:29,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 04:53:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 04:53:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 04:53:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:53:29,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 04:53:29,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:29,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:29,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:29,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:29,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:29,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 04:53:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:29,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:53:30,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 04:53:30,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 04:53:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:30,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 04:53:30,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:30,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 04:53:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 04:53:30,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 04:53:30,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 04:53:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 04:53:30,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 04:53:30,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:30,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 04:53:30,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 04:53:30,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:30,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 04:53:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 04:53:30,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 04:53:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 04:53:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 04:53:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:30,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:30,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 04:53:30,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 04:53:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 04:53:30,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 04:53:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 04:53:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 04:53:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 04:53:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 04:53:30,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 04:53:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 04:53:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 04:53:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 04:53:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 04:53:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 04:53:30,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888412973] [2020-10-28 04:53:30,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 04:53:30,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 04:53:30,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483823296] [2020-10-28 04:53:30,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 04:53:30,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 04:53:30,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 04:53:30,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-28 04:53:30,249 INFO L87 Difference]: Start difference. First operand 2087 states and 2719 transitions. Second operand 10 states. [2020-10-28 04:53:30,936 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2020-10-28 04:53:37,483 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2020-10-28 04:53:40,859 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2020-10-28 04:53:41,676 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 307