/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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:28:00,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:28:00,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:28:00,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:28:00,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:28:00,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:28:00,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:28:00,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:28:00,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:28:00,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:28:00,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:28:00,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:28:00,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:28:00,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:28:00,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:28:00,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:28:00,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:28:00,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:28:00,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:28:00,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:28:00,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:28:00,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:28:00,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:28:00,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:28:00,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:28:00,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:28:00,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:28:00,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:28:00,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:28:00,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:28:00,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:28:00,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:28:00,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:28:00,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:28:00,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:28:00,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:28:00,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:28:00,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:28:00,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:28:00,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:28:00,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:28:00,332 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 23:28:00,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:28:00,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:28:00,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:28:00,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:28:00,409 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:28:00,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:28:00,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:28:00,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:28:00,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:28:00,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:28:00,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:28:00,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:28:00,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:28:00,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:28:00,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:28:00,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:28:00,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:28:00,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:28:00,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:28:00,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:28:00,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:28:00,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:28:00,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:28:00,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:28:00,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:28:00,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:28:00,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:28:00,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:28:00,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:28:00,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:28:00,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:28:00,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:28:00,847 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:28:00,848 INFO L432 ainManager$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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2020-10-28 23:28:00,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c773ad00/227c9101b91c4a6faaa545c7c25162c7/FLAG1560a136d [2020-10-28 23:28:02,007 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:28:02,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2020-10-28 23:28:02,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c773ad00/227c9101b91c4a6faaa545c7c25162c7/FLAG1560a136d [2020-10-28 23:28:02,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c773ad00/227c9101b91c4a6faaa545c7c25162c7 [2020-10-28 23:28:02,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:28:02,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:28:02,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:28:02,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:28:02,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:28:02,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:28:02" (1/1) ... [2020-10-28 23:28:02,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d54ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:02, skipping insertion in model container [2020-10-28 23:28:02,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:28:02" (1/1) ... [2020-10-28 23:28:02,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:28:02,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:28:03,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:28:03,958 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:28:04,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:28:04,702 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:28:04,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04 WrapperNode [2020-10-28 23:28:04,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:28:04,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:28:04,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:28:04,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:28:04,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (1/1) ... [2020-10-28 23:28:04,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:28:04,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:28:04,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:28:04,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:28:04,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (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 23:28:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:28:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:28:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2020-10-28 23:28:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2020-10-28 23:28:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 23:28:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:28:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 23:28:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 23:28:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 23:28:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:28:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 23:28:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 23:28:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:28:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:28:05,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:28:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:28:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:28:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:28:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:28:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:28:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:28:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-28 23:28:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-28 23:28:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-28 23:28:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_write_cmdreg [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_is_absent [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_probe_chip [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure set_reset_mode [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure set_normal_mode [2020-10-28 23:28:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start [2020-10-28 23:28:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_mode [2020-10-28 23:28:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_bittiming [2020-10-28 23:28:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_get_berr_counter [2020-10-28 23:28:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure chipset_init [2020-10-28 23:28:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start_xmit [2020-10-28 23:28:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_rx [2020-10-28 23:28:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_err [2020-10-28 23:28:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_interrupt [2020-10-28 23:28:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_open [2020-10-28 23:28:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_close [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sja1000dev [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sja1000dev [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sja1000dev [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sja1000dev [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_init [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_exit [2020-10-28 23:28:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-28 23:28:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-28 23:28:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-28 23:28:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-28 23:28:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-28 23:28:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-28 23:28:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:28:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:28:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-10-28 23:28:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2020-10-28 23:28:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2020-10-28 23:28:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:28:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:28:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:28:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:28:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:28:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:28:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:28:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:28:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:28:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:28:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:28:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 23:28:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-28 23:28:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 23:28:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 23:28:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:28:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2020-10-28 23:28:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2020-10-28 23:28:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2020-10-28 23:28:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2020-10-28 23:28:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2020-10-28 23:28:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2020-10-28 23:28:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-28 23:28:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-28 23:28:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-28 23:28:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 23:28:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-28 23:28:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-28 23:28:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2020-10-28 23:28:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:28:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2020-10-28 23:28:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-28 23:28:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2020-10-28 23:28:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 23:28:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:28:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:28:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 23:28:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 23:28:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 23:28:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:28:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:28:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:28:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 23:28:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 23:28:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 23:28:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 23:28:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:28:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 23:28:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 23:28:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:28:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:28:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:28:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:28:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2020-10-28 23:28:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:28:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:28:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:28:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:28:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:28:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:28:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:28:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:28:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:28:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-28 23:28:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2020-10-28 23:28:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-28 23:28:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2020-10-28 23:28:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-28 23:28:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-28 23:28:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-28 23:28:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-28 23:28:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-28 23:28:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-28 23:28:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:28:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2020-10-28 23:28:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sja1000dev [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure free_sja1000dev [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure register_sja1000dev [2020-10-28 23:28:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sja1000dev [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_interrupt [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_write_cmdreg [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_is_absent [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_probe_chip [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure set_reset_mode [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure set_normal_mode [2020-10-28 23:28:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_mode [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_bittiming [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_get_berr_counter [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure chipset_init [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start_xmit [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_rx [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:28:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_err [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_open [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_close [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_init [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_exit [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-28 23:28:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:28:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:28:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 23:28:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:28:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:28:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:28:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:28:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:28:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:28:06,025 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:28:08,491 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:28:08,491 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:28:08,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:28:08 BoogieIcfgContainer [2020-10-28 23:28:08,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:28:08,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:28:08,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:28:08,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:28:08,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:28:02" (1/3) ... [2020-10-28 23:28:08,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410af0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:28:08, skipping insertion in model container [2020-10-28 23:28:08,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:28:04" (2/3) ... [2020-10-28 23:28:08,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410af0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:28:08, skipping insertion in model container [2020-10-28 23:28:08,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:28:08" (3/3) ... [2020-10-28 23:28:08,503 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2020-10-28 23:28:08,515 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:28:08,521 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:28:08,534 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:28:08,566 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:28:08,567 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:28:08,567 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:28:08,567 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:28:08,567 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:28:08,567 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:28:08,567 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:28:08,567 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:28:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2020-10-28 23:28:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-28 23:28:08,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:08,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:28:08,639 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:08,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:08,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1360886426, now seen corresponding path program 1 times [2020-10-28 23:28:08,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:08,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570096501] [2020-10-28 23:28:08,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:09,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:09,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:13,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:13,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-28 23:28:13,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:28:13,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4157 [2020-10-28 23:28:13,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:13,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:28:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 23:28:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 23:28:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:28:14,865 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-28 23:28:14,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:14,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:15,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:15,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:15,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:15,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-28 23:28:15,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:15,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:15,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:15,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:15,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:15,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:15,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:15,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:15,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:15,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:28:15,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:15,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:28:15,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:15,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:15,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:15,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:15,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:28:15,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:15,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:28:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:15,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:15,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:15,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:15,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:15,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:28:15,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:15,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:28:15,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 23:28:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:15,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 23:28:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:15,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:15,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:28:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:15,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:15,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 23:28:15,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:15,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:28:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:28:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:28:15,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570096501] [2020-10-28 23:28:15,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:28:15,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 23:28:15,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484674827] [2020-10-28 23:28:15,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 23:28:15,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:15,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 23:28:15,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 23:28:15,330 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 6 states. [2020-10-28 23:28:16,691 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-28 23:28:18,929 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-28 23:28:20,402 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-28 23:28:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:28:48,195 INFO L93 Difference]: Finished difference Result 2683 states and 3717 transitions. [2020-10-28 23:28:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 23:28:48,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-10-28 23:28:48,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:28:48,238 INFO L225 Difference]: With dead ends: 2683 [2020-10-28 23:28:48,238 INFO L226 Difference]: Without dead ends: 1959 [2020-10-28 23:28:48,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-28 23:28:48,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-10-28 23:28:48,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1326. [2020-10-28 23:28:48,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2020-10-28 23:28:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1727 transitions. [2020-10-28 23:28:48,974 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1727 transitions. Word has length 43 [2020-10-28 23:28:48,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:28:48,975 INFO L481 AbstractCegarLoop]: Abstraction has 1326 states and 1727 transitions. [2020-10-28 23:28:48,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 23:28:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1727 transitions. [2020-10-28 23:28:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-28 23:28:48,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:28:48,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:28:48,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:28:48,990 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:28:48,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:28:48,991 INFO L82 PathProgramCache]: Analyzing trace with hash -701612369, now seen corresponding path program 1 times [2020-10-28 23:28:48,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:28:48,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874840847] [2020-10-28 23:28:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:28:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:49,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:49,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:50,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:54,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:54,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 23:28:54,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:28:54,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5079 [2020-10-28 23:28:54,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:54,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:28:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 23:28:54,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 23:28:54,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,604 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-28 23:28:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:55,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:55,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:55,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:55,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-28 23:28:55,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:55,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:28:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:55,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:28:55,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:55,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:55,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:28:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:28:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:28:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:55,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:55,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:55,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:28:55,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:55,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:28:55,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:55,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:28:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:55,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:55,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:28:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:55,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:55,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:55,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:55,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:55,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:28:55,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:55,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:55,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:28:55,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:55,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:28:55,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 23:28:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:55,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:55,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:55,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:55,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:55,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:28:55,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:55,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:55,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:28:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:55,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:55,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:28:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:28:55,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:28:55,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:28:55,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:28:55,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:28:55,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:28:55,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:28:55,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:28:55,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:28:55,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:28:55,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:28:55,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:28:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:28:55,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874840847] [2020-10-28 23:28:55,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:28:55,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 23:28:55,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950285539] [2020-10-28 23:28:55,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 23:28:55,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:28:55,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 23:28:55,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 23:28:55,939 INFO L87 Difference]: Start difference. First operand 1326 states and 1727 transitions. Second operand 9 states. [2020-10-28 23:28:57,239 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-28 23:28:59,716 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-28 23:29:01,182 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-28 23:29:05,285 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 443 DAG size of output: 441 [2020-10-28 23:29:06,721 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-28 23:29:08,104 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-28 23:29:12,566 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 443 [2020-10-28 23:29:37,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:29:37,401 INFO L93 Difference]: Finished difference Result 3525 states and 4808 transitions. [2020-10-28 23:29:37,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 23:29:37,402 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2020-10-28 23:29:37,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:29:37,425 INFO L225 Difference]: With dead ends: 3525 [2020-10-28 23:29:37,425 INFO L226 Difference]: Without dead ends: 3504 [2020-10-28 23:29:37,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-28 23:29:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-10-28 23:29:38,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2845. [2020-10-28 23:29:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2845 states. [2020-10-28 23:29:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 3787 transitions. [2020-10-28 23:29:38,181 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 3787 transitions. Word has length 46 [2020-10-28 23:29:38,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:29:38,181 INFO L481 AbstractCegarLoop]: Abstraction has 2845 states and 3787 transitions. [2020-10-28 23:29:38,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 23:29:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3787 transitions. [2020-10-28 23:29:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 23:29:38,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:29:38,189 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 23:29:38,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:29:38,189 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:29:38,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:29:38,190 INFO L82 PathProgramCache]: Analyzing trace with hash -58525430, now seen corresponding path program 1 times [2020-10-28 23:29:38,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:29:38,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113448292] [2020-10-28 23:29:38,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:29:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:38,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:38,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:39,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:43,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 23:29:43,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 23:29:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-28 23:29:43,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:43,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:29:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 23:29:43,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 23:29:43,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:29:44,687 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-28 23:29:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:44,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:44,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 23:29:44,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:44,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:29:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:44,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:29:44,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:44,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:44,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:44,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:44,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:29:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:44,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:29:44,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:29:44,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:44,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:44,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:44,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:29:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:44,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:44,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:44,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:44,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:29:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:44,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:44,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 23:29:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 23:29:44,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:44,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 23:29:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:44,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:45,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:45,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:29:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 23:29:45,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:45,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 23:29:45,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:45,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:29:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 23:29:45,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:45,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 23:29:45,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:29:45,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:45,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 23:29:45,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:29:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:29:45,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:29:45,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:29:45,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:29:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-28 23:29:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:45,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:45,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:29:45,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:29:45,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 23:29:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:29:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:29:45,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:29:45,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:29:45,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:29:45,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:29:45,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:29:45,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:29:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:29:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:29:45,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:29:45,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:29:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:29:45,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113448292] [2020-10-28 23:29:45,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:29:45,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 23:29:45,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261525881] [2020-10-28 23:29:45,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 23:29:45,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:29:45,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 23:29:45,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:29:45,235 INFO L87 Difference]: Start difference. First operand 2845 states and 3787 transitions. Second operand 7 states. [2020-10-28 23:29:46,509 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-28 23:29:48,467 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-28 23:29:49,968 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-28 23:30:14,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:30:14,480 INFO L93 Difference]: Finished difference Result 8764 states and 11986 transitions. [2020-10-28 23:30:14,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 23:30:14,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-28 23:30:14,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:30:14,519 INFO L225 Difference]: With dead ends: 8764 [2020-10-28 23:30:14,520 INFO L226 Difference]: Without dead ends: 5946 [2020-10-28 23:30:14,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 23:30:14,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5946 states. [2020-10-28 23:30:16,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5946 to 4517. [2020-10-28 23:30:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4517 states. [2020-10-28 23:30:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6011 transitions. [2020-10-28 23:30:16,033 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6011 transitions. Word has length 93 [2020-10-28 23:30:16,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:30:16,034 INFO L481 AbstractCegarLoop]: Abstraction has 4517 states and 6011 transitions. [2020-10-28 23:30:16,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 23:30:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6011 transitions. [2020-10-28 23:30:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-28 23:30:16,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:30:16,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:30:16,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 23:30:16,047 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:30:16,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:30:16,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1726830250, now seen corresponding path program 1 times [2020-10-28 23:30:16,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:30:16,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986748694] [2020-10-28 23:30:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:30:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:16,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:16,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:17,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:17,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 23:30:17,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1194 [2020-10-28 23:30:17,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:17,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 23:30:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 23:30:17,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:18,778 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-28 23:30:18,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:30:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:18,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:18,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:18,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 23:30:18,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:18,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:30:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:18,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:18,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:18,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:18,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:18,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:30:18,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:18,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:18,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:30:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:18,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:18,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:18,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:30:18,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:30:18,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:18,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:18,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:18,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:30:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:18,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:18,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 23:30:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:18,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:18,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:18,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:18,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:30:18,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:18,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:18,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:30:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:30:19,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:30:19,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 23:30:19,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:19,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:19,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 23:30:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 23:30:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 23:30:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 23:30:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:19,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:30:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 23:30:19,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:19,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 23:30:19,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:30:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 23:30:19,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 23:30:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:30:19,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:19,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:30:19,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:30:19,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:19,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:30:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 23:30:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:19,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:30:19,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:30:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 23:30:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:19,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:19,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:19,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:30:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 23:30:19,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986748694] [2020-10-28 23:30:19,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:30:19,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:30:19,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274783621] [2020-10-28 23:30:19,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:30:19,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:30:19,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:30:19,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:30:19,361 INFO L87 Difference]: Start difference. First operand 4517 states and 6011 transitions. Second operand 8 states. [2020-10-28 23:30:20,593 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-28 23:30:23,736 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-28 23:30:25,108 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-28 23:30:50,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:30:50,562 INFO L93 Difference]: Finished difference Result 12624 states and 17220 transitions. [2020-10-28 23:30:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 23:30:50,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-10-28 23:30:50,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:30:50,615 INFO L225 Difference]: With dead ends: 12624 [2020-10-28 23:30:50,615 INFO L226 Difference]: Without dead ends: 8134 [2020-10-28 23:30:50,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-10-28 23:30:50,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8134 states. [2020-10-28 23:30:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8134 to 6189. [2020-10-28 23:30:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6189 states. [2020-10-28 23:30:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6189 states to 6189 states and 8239 transitions. [2020-10-28 23:30:52,372 INFO L78 Accepts]: Start accepts. Automaton has 6189 states and 8239 transitions. Word has length 114 [2020-10-28 23:30:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:30:52,373 INFO L481 AbstractCegarLoop]: Abstraction has 6189 states and 8239 transitions. [2020-10-28 23:30:52,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:30:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6189 states and 8239 transitions. [2020-10-28 23:30:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-28 23:30:52,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:30:52,387 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:30:52,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 23:30:52,387 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:30:52,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:30:52,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1207380521, now seen corresponding path program 1 times [2020-10-28 23:30:52,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:30:52,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561802293] [2020-10-28 23:30:52,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:30:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:52,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:54,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:54,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-28 23:30:54,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:30:54,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2530 [2020-10-28 23:30:54,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:54,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:30:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 23:30:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-28 23:30:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,474 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-28 23:30:56,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:30:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:56,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-28 23:30:56,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:30:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:56,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:56,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:30:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:30:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:56,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:30:56,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 23:30:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:56,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:56,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:30:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:30:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:30:56,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:30:56,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 23:30:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:30:56,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 23:30:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:56,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:30:56,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:30:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 23:30:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-28 23:30:56,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 23:30:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:56,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:56,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:30:56,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:30:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-28 23:30:56,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 23:30:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 23:30:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:56,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 23:30:56,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 23:30:56,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:56,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:56,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:56,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:57,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:57,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 23:30:57,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:57,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:30:57,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:57,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:57,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:30:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:57,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:57,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:57,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:57,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:30:57,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:30:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 23:30:57,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:57,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:30:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:57,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 23:30:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:57,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:57,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:57,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:57,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:57,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:57,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:30:57,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:57,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:57,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 23:30:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:30:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:30:57,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:30:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:30:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:30:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:30:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-28 23:30:57,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561802293] [2020-10-28 23:30:57,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:30:57,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 23:30:57,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803059317] [2020-10-28 23:30:57,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 23:30:57,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:30:57,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 23:30:57,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 23:30:57,120 INFO L87 Difference]: Start difference. First operand 6189 states and 8239 transitions. Second operand 9 states. [2020-10-28 23:30:58,394 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-28 23:31:02,248 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-28 23:31:03,703 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-28 23:31:07,309 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-28 23:31:09,546 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-28 23:31:33,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:31:33,387 INFO L93 Difference]: Finished difference Result 12529 states and 17213 transitions. [2020-10-28 23:31:33,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 23:31:33,388 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2020-10-28 23:31:33,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:31:33,447 INFO L225 Difference]: With dead ends: 12529 [2020-10-28 23:31:33,447 INFO L226 Difference]: Without dead ends: 12511 [2020-10-28 23:31:33,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=186, Invalid=464, Unknown=0, NotChecked=0, Total=650 [2020-10-28 23:31:33,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12511 states. [2020-10-28 23:31:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12511 to 8764. [2020-10-28 23:31:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8764 states. [2020-10-28 23:31:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8764 states to 8764 states and 11654 transitions. [2020-10-28 23:31:35,217 INFO L78 Accepts]: Start accepts. Automaton has 8764 states and 11654 transitions. Word has length 131 [2020-10-28 23:31:35,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:31:35,218 INFO L481 AbstractCegarLoop]: Abstraction has 8764 states and 11654 transitions. [2020-10-28 23:31:35,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 23:31:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 8764 states and 11654 transitions. [2020-10-28 23:31:35,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 23:31:35,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:31:35,235 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:35,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 23:31:35,235 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:31:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:31:35,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1747366754, now seen corresponding path program 1 times [2020-10-28 23:31:35,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:31:35,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697225403] [2020-10-28 23:31:35,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:31:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:35,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:35,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:35,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:35,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:36,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:40,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:40,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-28 23:31:40,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 23:31:40,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-28 23:31:40,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:40,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:40,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 23:31:40,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1