/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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--ethernet--8390--8390.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:31:43,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:31:43,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:31:43,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:31:43,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:31:43,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:31:43,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:31:43,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:31:43,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:31:43,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:31:43,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:31:43,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:31:43,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:31:43,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:31:43,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:31:43,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:31:43,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:31:43,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:31:43,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:31:43,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:31:44,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:31:44,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:31:44,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:31:44,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:31:44,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:31:44,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:31:44,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:31:44,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:31:44,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:31:44,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:31:44,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:31:44,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:31:44,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:31:44,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:31:44,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:31:44,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:31:44,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:31:44,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:31:44,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:31:44,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:31:44,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:31:44,036 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 23:31:44,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:31:44,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:31:44,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:31:44,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:31:44,098 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:31:44,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:31:44,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:31:44,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:31:44,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:31:44,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:31:44,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:31:44,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:31:44,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:31:44,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:31:44,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:31:44,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:31:44,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:31:44,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:31:44,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:31:44,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:31:44,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:31:44,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:31:44,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:31:44,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:31:44,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:31:44,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:31:44,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:31:44,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:31:44,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:31:44,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:31:44,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:31:44,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:31:44,533 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:31:44,534 INFO L432 ainManager$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--ethernet--8390--8390.ko-entry_point.cil.out.i [2020-10-28 23:31:44,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/351e910e9/e21231158a5c4c7b831e72ed023d8d2c/FLAGa11937672 [2020-10-28 23:31:45,698 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:31:45,699 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--ethernet--8390--8390.ko-entry_point.cil.out.i [2020-10-28 23:31:45,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/351e910e9/e21231158a5c4c7b831e72ed023d8d2c/FLAGa11937672 [2020-10-28 23:31:46,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/351e910e9/e21231158a5c4c7b831e72ed023d8d2c [2020-10-28 23:31:46,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:31:46,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:31:46,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:31:46,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:31:46,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:31:46,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:31:46" (1/1) ... [2020-10-28 23:31:46,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79235e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:46, skipping insertion in model container [2020-10-28 23:31:46,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:31:46" (1/1) ... [2020-10-28 23:31:46,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:31:46,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:31:47,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:31:47,924 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:31:48,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:31:48,620 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:31:48,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48 WrapperNode [2020-10-28 23:31:48,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:31:48,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:31:48,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:31:48,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:31:48,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... [2020-10-28 23:31:48,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:31:48,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:31:48,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:31:48,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:31:48,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:31:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:31:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:31:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 23:31:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-28 23:31:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-28 23:31:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:31:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 23:31:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 23:31:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 23:31:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:31:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-28 23:31:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-10-28 23:31:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-10-28 23:31:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_enable [2020-10-28 23:31:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-10-28 23:31:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-28 23:31:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 23:31:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 23:31:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 23:31:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 23:31:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-28 23:31:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:31:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:31:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep [2020-10-28 23:31:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync_lockdep_irqsave [2020-10-28 23:31:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2020-10-28 23:31:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep_irqrestore [2020-10-28 23:31:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-28 23:31:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:31:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-28 23:31:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-28 23:31:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-28 23:31:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-28 23:31:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-28 23:31:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-28 23:31:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-28 23:31:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_consume_skb_any [2020-10-28 23:31:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_open [2020-10-28 23:31:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_close [2020-10-28 23:31:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_tx_timeout [2020-10-28 23:31:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_start_xmit [2020-10-28 23:31:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_interrupt [2020-10-28 23:31:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_poll [2020-10-28 23:31:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_err [2020-10-28 23:31:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2020-10-28 23:31:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2020-10-28 23:31:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_rx_overrun [2020-10-28 23:31:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_get_stats [2020-10-28 23:31:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure make_mc_bits [2020-10-28 23:31:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2020-10-28 23:31:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __ei_set_multicast_list [2020-10-28 23:31:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ethdev_setup [2020-10-28 23:31:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ____alloc_ei_netdev [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __NS8390_init [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_open [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_close [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_start_xmit [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_get_stats [2020-10-28 23:31:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_set_multicast_list [2020-10-28 23:31:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_timeout [2020-10-28 23:31:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_interrupt [2020-10-28 23:31:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_poll [2020-10-28 23:31:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_ei_netdev [2020-10-28 23:31:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_init [2020-10-28 23:31:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_init [2020-10-28 23:31:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ns8390_module_exit [2020-10-28 23:31:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2020-10-28 23:31:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-28 23:31:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-10-28 23:31:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:31:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:31:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:31:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:31:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 23:31:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-28 23:31:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 23:31:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-28 23:31:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 23:31:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 23:31:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 23:31:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 23:31:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:31:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-28 23:31:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2020-10-28 23:31:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-28 23:31:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2020-10-28 23:31:49,115 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-10-28 23:31:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_1 [2020-10-28 23:31:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-28 23:31:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2020-10-28 23:31:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-28 23:31:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 23:31:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2020-10-28 23:31:49,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-28 23:31:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:31:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2020-10-28 23:31:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_defer_rx_timestamp [2020-10-28 23:31:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:31:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2020-10-28 23:31:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-10-28 23:31:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-10-28 23:31:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 23:31:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:31:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:31:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:31:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:31:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:31:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:31:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:31:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:31:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:31:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:31:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:31:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 23:31:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 23:31:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 23:31:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:31:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:31:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:31:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 23:31:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 23:31:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:31:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_enable [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-10-28 23:31:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-10-28 23:31:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 23:31:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-28 23:31:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:31:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_defer_rx_timestamp [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2020-10-28 23:31:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:31:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:31:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2020-10-28 23:31:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync_lockdep_irqsave [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep_irqrestore [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-28 23:31:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_consume_skb_any [2020-10-28 23:31:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-28 23:31:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ei_poll [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_init [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ei_open [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ei_close [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ei_interrupt [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_timeout [2020-10-28 23:31:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ei_start_xmit [2020-10-28 23:31:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure ei_set_multicast_list [2020-10-28 23:31:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure ei_get_stats [2020-10-28 23:31:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_ei_netdev [2020-10-28 23:31:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2020-10-28 23:31:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_err [2020-10-28 23:31:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2020-10-28 23:31:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure ei_rx_overrun [2020-10-28 23:31:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2020-10-28 23:31:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2020-10-28 23:31:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure __NS8390_init [2020-10-28 23:31:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_open [2020-10-28 23:31:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_close [2020-10-28 23:31:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_tx_timeout [2020-10-28 23:31:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 23:31:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:31:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:31:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_start_xmit [2020-10-28 23:31:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:31:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_interrupt [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_poll [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_get_stats [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure make_mc_bits [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure __ei_set_multicast_list [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure ethdev_setup [2020-10-28 23:31:49,155 INFO L130 BoogieDeclarations]: Found specification of procedure ____alloc_ei_netdev [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_init [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ns8390_module_exit [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_1 [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:31:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:31:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:31:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:31:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:31:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:31:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:31:50,356 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:31:55,536 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:31:55,537 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:31:55,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:55 BoogieIcfgContainer [2020-10-28 23:31:55,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:31:55,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:31:55,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:31:55,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:31:55,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:31:46" (1/3) ... [2020-10-28 23:31:55,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a1377e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:31:55, skipping insertion in model container [2020-10-28 23:31:55,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:48" (2/3) ... [2020-10-28 23:31:55,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a1377e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:31:55, skipping insertion in model container [2020-10-28 23:31:55,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:55" (3/3) ... [2020-10-28 23:31:55,549 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--8390--8390.ko-entry_point.cil.out.i [2020-10-28 23:31:55,560 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:31:55,566 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:31:55,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:31:55,611 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:31:55,611 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:31:55,611 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:31:55,612 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:31:55,612 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:31:55,612 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:31:55,612 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:31:55,612 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:31:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states. [2020-10-28 23:31:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 23:31:55,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:31:55,668 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:55,668 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:31:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:31:55,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1778886658, now seen corresponding path program 1 times [2020-10-28 23:31:55,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:31:55,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539123780] [2020-10-28 23:31:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:31:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:01,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:01,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 23:32:01,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:32:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5168 [2020-10-28 23:32:01,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:01,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:32:01,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 23:32:01,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:32:01,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:32:04,007 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-28 23:32:04,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:32:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:32:04,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-28 23:32:04,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:32:04,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:32:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:32:04,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:32:04,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:32:04,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:32:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:32:04,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:32:04,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:32:04,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:32:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:32:04,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:32:04,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:32:04,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:32:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:32:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:32:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:32:04,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:32:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:32:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:32:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:32:04,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:32:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:32:04,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:32:04,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:32:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:32:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 23:32:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:32:04,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:32:04,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 23:32:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:32:04,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:32:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:32:04,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:32:04,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:32:04,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:32:04,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:32:04,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:32:04,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:32:04,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:32:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:32:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:32:04,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:32:04,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:32:04,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 23:32:04,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539123780] [2020-10-28 23:32:04,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:32:04,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 23:32:04,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462508744] [2020-10-28 23:32:04,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 23:32:04,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:32:04,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 23:32:04,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 23:32:04,814 INFO L87 Difference]: Start difference. First operand 1184 states. Second operand 6 states. [2020-10-28 23:32:07,041 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-28 23:32:09,836 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 600 [2020-10-28 23:32:12,188 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-28 23:33:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:33:06,003 INFO L93 Difference]: Finished difference Result 4192 states and 6209 transitions. [2020-10-28 23:33:06,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 23:33:06,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-10-28 23:33:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:33:06,081 INFO L225 Difference]: With dead ends: 4192 [2020-10-28 23:33:06,081 INFO L226 Difference]: Without dead ends: 3018 [2020-10-28 23:33:06,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:33:06,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3018 states. [2020-10-28 23:33:07,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3018 to 2191. [2020-10-28 23:33:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2191 states. [2020-10-28 23:33:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 3005 transitions. [2020-10-28 23:33:07,139 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 3005 transitions. Word has length 60 [2020-10-28 23:33:07,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:33:07,141 INFO L481 AbstractCegarLoop]: Abstraction has 2191 states and 3005 transitions. [2020-10-28 23:33:07,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 23:33:07,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 3005 transitions. [2020-10-28 23:33:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 23:33:07,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:33:07,154 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:07,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:33:07,154 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:33:07,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:33:07,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1230303562, now seen corresponding path program 1 times [2020-10-28 23:33:07,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:33:07,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840543022] [2020-10-28 23:33:07,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:33:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:12,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:12,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 23:33:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:33:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5253 [2020-10-28 23:33:12,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:12,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:33:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-28 23:33:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 23:33:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:14,981 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-28 23:33:14,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:33:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:15,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-28 23:33:15,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:15,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:33:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:15,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:33:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:33:15,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:33:15,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:33:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:33:15,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:33:15,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:15,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:15,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:33:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:33:15,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:33:15,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:15,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:15,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:33:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:33:15,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:33:15,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:33:15,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:33:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:15,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:33:15,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:15,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:33:15,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 23:33:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:15,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:33:15,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:33:15,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 23:33:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:15,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:15,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:15,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:15,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 23:33:15,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:15,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:33:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:33:15,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:33:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 23:33:15,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840543022] [2020-10-28 23:33:15,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:33:15,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 23:33:15,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631133787] [2020-10-28 23:33:15,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 23:33:15,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:33:15,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 23:33:15,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 23:33:15,947 INFO L87 Difference]: Start difference. First operand 2191 states and 3005 transitions. Second operand 9 states. [2020-10-28 23:33:18,135 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-28 23:33:26,143 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 600 [2020-10-28 23:33:28,546 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-28 23:33:36,613 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 605 DAG size of output: 603 [2020-10-28 23:33:39,389 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-28 23:33:41,793 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 603 [2020-10-28 23:34:10,556 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 605 [2020-10-28 23:34:37,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:34:37,162 INFO L93 Difference]: Finished difference Result 7513 states and 10788 transitions. [2020-10-28 23:34:37,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 23:34:37,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-28 23:34:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:34:37,203 INFO L225 Difference]: With dead ends: 7513 [2020-10-28 23:34:37,204 INFO L226 Difference]: Without dead ends: 5329 [2020-10-28 23:34:37,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-28 23:34:37,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5329 states. [2020-10-28 23:34:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5329 to 4643. [2020-10-28 23:34:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4643 states. [2020-10-28 23:34:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4643 states to 4643 states and 6502 transitions. [2020-10-28 23:34:38,627 INFO L78 Accepts]: Start accepts. Automaton has 4643 states and 6502 transitions. Word has length 63 [2020-10-28 23:34:38,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:34:38,627 INFO L481 AbstractCegarLoop]: Abstraction has 4643 states and 6502 transitions. [2020-10-28 23:34:38,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 23:34:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4643 states and 6502 transitions. [2020-10-28 23:34:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-28 23:34:38,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:34:38,645 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:38,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:34:38,646 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:34:38,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:34:38,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1889509250, now seen corresponding path program 1 times [2020-10-28 23:34:38,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:34:38,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782970641] [2020-10-28 23:34:38,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:34:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:38,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:39,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:44,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-28 23:34:44,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5432 [2020-10-28 23:34:44,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:44,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:44,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:34:44,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 23:34:44,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:34:44,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:46,495 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-28 23:34:46,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:34:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:46,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:47,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-28 23:34:47,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:47,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:34:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:34:47,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:47,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:47,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:34:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:34:47,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:34:47,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:47,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:34:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:34:47,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:47,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:34:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:34:47,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:47,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:47,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:34:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:34:47,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:34:47,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:34:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:47,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:47,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:34:47,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:47,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:47,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 23:34:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:47,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:48,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:48,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-28 23:34:48,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1579 [2020-10-28 23:34:48,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:48,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 226 [2020-10-28 23:34:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:49,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:49,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:49,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:50,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:50,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-28 23:34:50,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:50,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1396 [2020-10-28 23:34:50,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:50,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:50,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:50,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:50,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:50,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:50,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:50,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:50,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:50,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:50,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:50,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:34:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:50,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:50,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-28 23:34:51,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:51,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-10-28 23:34:51,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:51,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:51,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:34:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:34:51,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:51,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:51,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 23:34:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:51,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:51,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 23:34:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:51,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:51,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 23:34:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:34:51,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:34:51,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:51,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:51,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:51,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:51,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:51,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:51,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:51,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:51,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 23:34:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:51,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:51,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-28 23:34:52,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-28 23:34:52,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:52,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:34:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:34:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:52,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:52,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 23:34:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:34:52,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 23:34:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:52,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 23:34:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:52,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 23:34:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 23:34:52,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 23:34:52,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-28 23:34:52,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:34:52,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 23:34:52,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:34:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:52,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:34:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 23:34:52,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:34:52,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 23:34:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 23:34:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:52,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-28 23:34:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:52,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-28 23:34:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:34:52,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:34:52,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:52,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:34:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:34:52,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 23:34:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:34:52,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:34:52,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-28 23:34:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:34:52,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:34:52,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:34:52,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-28 23:34:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:34:52,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:34:52,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:34:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:34:52,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:34:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:34:52,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:34:52,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:34:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:34:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:34:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:34:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:34:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-28 23:34:52,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782970641] [2020-10-28 23:34:52,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:34:52,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:34:52,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521267773] [2020-10-28 23:34:52,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:34:52,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:34:52,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:34:52,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:34:52,961 INFO L87 Difference]: Start difference. First operand 4643 states and 6502 transitions. Second operand 8 states. [2020-10-28 23:34:55,186 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-28 23:34:58,288 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 600 [2020-10-28 23:35:00,648 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 597