/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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 22:00:19,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 22:00:19,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 22:00:19,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 22:00:19,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 22:00:19,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 22:00:19,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 22:00:19,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 22:00:19,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 22:00:19,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 22:00:19,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 22:00:19,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 22:00:19,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 22:00:19,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 22:00:19,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 22:00:19,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 22:00:19,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 22:00:19,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 22:00:19,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 22:00:19,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 22:00:19,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 22:00:19,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 22:00:19,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 22:00:19,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 22:00:19,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 22:00:19,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 22:00:19,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 22:00:19,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 22:00:19,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 22:00:19,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 22:00:19,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 22:00:19,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 22:00:19,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 22:00:19,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 22:00:19,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 22:00:19,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 22:00:19,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 22:00:19,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 22:00:19,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 22:00:19,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 22:00:19,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 22:00:19,614 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 22:00:19,665 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 22:00:19,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 22:00:19,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 22:00:19,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 22:00:19,671 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 22:00:19,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 22:00:19,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 22:00:19,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 22:00:19,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 22:00:19,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 22:00:19,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 22:00:19,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 22:00:19,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 22:00:19,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 22:00:19,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 22:00:19,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 22:00:19,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 22:00:19,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 22:00:19,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 22:00:19,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 22:00:19,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 22:00:19,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 22:00:19,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 22:00:19,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 22:00:19,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 22:00:19,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 22:00:19,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 22:00:19,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 22:00:20,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 22:00:20,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 22:00:20,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 22:00:20,139 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 22:00:20,141 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 22:00:20,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2020-10-28 22:00:20,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6364fe6af/1e0b2b44b3c146a49f96dfcd9543d52c/FLAG9a24d2d41 [2020-10-28 22:00:21,343 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 22:00:21,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2020-10-28 22:00:21,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6364fe6af/1e0b2b44b3c146a49f96dfcd9543d52c/FLAG9a24d2d41 [2020-10-28 22:00:21,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6364fe6af/1e0b2b44b3c146a49f96dfcd9543d52c [2020-10-28 22:00:21,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 22:00:21,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 22:00:21,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 22:00:21,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 22:00:21,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 22:00:21,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:00:21" (1/1) ... [2020-10-28 22:00:21,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbed2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:21, skipping insertion in model container [2020-10-28 22:00:21,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:00:21" (1/1) ... [2020-10-28 22:00:21,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 22:00:21,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 22:00:24,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 22:00:24,090 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 22:00:24,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 22:00:24,733 INFO L208 MainTranslator]: Completed translation [2020-10-28 22:00:24,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24 WrapperNode [2020-10-28 22:00:24,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 22:00:24,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 22:00:24,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 22:00:24,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 22:00:24,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:24,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:24,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:24,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:24,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:24,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:25,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (1/1) ... [2020-10-28 22:00:25,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 22:00:25,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 22:00:25,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 22:00:25,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 22:00:25,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (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 22:00:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 22:00:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 22:00:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 22:00:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 22:00:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 22:00:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 22:00:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 22:00:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-28 22:00:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2020-10-28 22:00:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2020-10-28 22:00:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-28 22:00:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 22:00:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 22:00:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 22:00:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 22:00:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 22:00:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 22:00:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 22:00:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 22:00:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 22:00:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 22:00:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 22:00:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-28 22:00:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_cb [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_dummy_cb [2020-10-28 22:00:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_init_urbs [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_lm87_chksum [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_lm87 [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_tx_net2280 [2020-10-28 22:00:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_device_reset [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_firmware_reset_3887 [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_3887 [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_upload_firmware_net2280 [2020-10-28 22:00:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2020-10-28 22:00:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_start_ops [2020-10-28 22:00:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware_cb [2020-10-28 22:00:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_load_firmware [2020-10-28 22:00:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_probe [2020-10-28 22:00:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2020-10-28 22:00:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2020-10-28 22:00:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2020-10-28 22:00:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2020-10-28 22:00:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_suspend [2020-10-28 22:00:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_init [2020-10-28 22:00:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_driver_exit [2020-10-28 22:00:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 22:00:25,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2020-10-28 22:00:25,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_8 [2020-10-28 22:00:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2020-10-28 22:00:25,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2020-10-28 22:00:25,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_12 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_13 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_14 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_17 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2020-10-28 22:00:25,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2020-10-28 22:00:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2020-10-28 22:00:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_23 [2020-10-28 22:00:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2020-10-28 22:00:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_26 [2020-10-28 22:00:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2020-10-28 22:00:25,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 22:00:25,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 22:00:25,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 22:00:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 22:00:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 22:00:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 22:00:25,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 22:00:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 22:00:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 22:00:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-28 22:00:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-28 22:00:25,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 22:00:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-10-28 22:00:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure device_release_driver [2020-10-28 22:00:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_restart_hw [2020-10-28 22:00:25,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 22:00:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-28 22:00:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 22:00:25,173 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-28 22:00:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 22:00:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 22:00:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2020-10-28 22:00:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2020-10-28 22:00:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_init_common [2020-10-28 22:00:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_parse_firmware [2020-10-28 22:00:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_read_eeprom [2020-10-28 22:00:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_register_common [2020-10-28 22:00:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_rx [2020-10-28 22:00:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_unregister_common [2020-10-28 22:00:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-28 22:00:25,176 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware_nowait [2020-10-28 22:00:25,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 22:00:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 22:00:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 22:00:25,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-28 22:00:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 22:00:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2020-10-28 22:00:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-28 22:00:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-28 22:00:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 22:00:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2020-10-28 22:00:25,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interrupt_msg [2020-10-28 22:00:25,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-28 22:00:25,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2020-10-28 22:00:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 22:00:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-28 22:00:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-28 22:00:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-28 22:00:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 22:00:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 22:00:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 22:00:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 22:00:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-28 22:00:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 22:00:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 22:00:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 22:00:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 22:00:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 22:00:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 22:00:25,192 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-28 22:00:25,193 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure device_release_driver [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2020-10-28 22:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_23 [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_26 [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2020-10-28 22:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_13 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_14 [2020-10-28 22:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_8 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_12 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_17 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2020-10-28 22:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interrupt_msg [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 22:00:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 22:00:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 22:00:25,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware_nowait [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-28 22:00:25,201 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-28 22:00:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 22:00:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-28 22:00:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 22:00:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 22:00:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-28 22:00:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2020-10-28 22:00:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2020-10-28 22:00:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_restart_hw [2020-10-28 22:00:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure p54_rx [2020-10-28 22:00:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2020-10-28 22:00:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure p54_parse_firmware [2020-10-28 22:00:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure p54_read_eeprom [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54_init_common [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54_register_common [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54_unregister_common [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_cb [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_dummy_cb [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2020-10-28 22:00:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_init_urbs [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_lm87_chksum [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_lm87 [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_tx_net2280 [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_device_reset [2020-10-28 22:00:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_firmware_reset_3887 [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_3887 [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_upload_firmware_net2280 [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_start_ops [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware_cb [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_load_firmware [2020-10-28 22:00:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_probe [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_suspend [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_init [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_driver_exit [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 22:00:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 22:00:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 22:00:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 22:00:26,016 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 22:00:49,692 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 22:00:50,545 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 22:00:50,546 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 22:00:50,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:00:50 BoogieIcfgContainer [2020-10-28 22:00:50,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 22:00:50,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 22:00:50,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 22:00:50,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 22:00:50,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:00:21" (1/3) ... [2020-10-28 22:00:50,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbba60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:00:50, skipping insertion in model container [2020-10-28 22:00:50,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:00:24" (2/3) ... [2020-10-28 22:00:50,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbba60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:00:50, skipping insertion in model container [2020-10-28 22:00:50,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:00:50" (3/3) ... [2020-10-28 22:00:50,559 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2020-10-28 22:00:50,572 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 22:00:50,579 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 22:00:50,592 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 22:00:50,628 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 22:00:50,628 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 22:00:50,628 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 22:00:50,628 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 22:00:50,628 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 22:00:50,628 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 22:00:50,629 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 22:00:50,629 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 22:00:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states. [2020-10-28 22:00:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-28 22:00:50,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:00:50,690 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 22:00:50,690 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:00:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:00:50,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1134538530, now seen corresponding path program 1 times [2020-10-28 22:00:50,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:00:50,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992081163] [2020-10-28 22:00:50,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:00:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:51,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:51,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:56,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:56,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 22:00:56,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 22:00:56,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-28 22:00:56,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:56,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:00:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 22:00:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 22:00:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 22:00:57,315 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 22:00:57,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:00:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:57,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:57,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:00:57,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:00:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-28 22:00:57,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:57,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:57,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:00:57,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:57,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:57,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:00:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:58,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:00:58,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:00:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 22:00:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:58,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:00:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:58,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:00:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:58,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:00:58,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:00:58,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 22:00:58,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:58,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:00:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 22:00:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:58,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:58,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:00:58,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:00:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 22:00:58,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:58,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:00:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:58,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:58,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 22:00:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:58,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:58,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 22:00:58,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:00:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 22:00:58,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:58,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 22:00:58,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:58,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:58,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:00:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:58,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 22:00:58,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:00:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 22:00:58,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:58,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:00:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:58,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:58,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:00:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:00:58,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:00:58,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:00:58,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:00:58,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:00:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:00:58,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:00:58,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:00:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:00:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:00:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:00:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:00:58,238 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 22:00:58,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992081163] [2020-10-28 22:00:58,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:00:58,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 22:00:58,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781960571] [2020-10-28 22:00:58,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 22:00:58,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:00:58,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 22:00:58,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 22:00:58,264 INFO L87 Difference]: Start difference. First operand 1240 states. Second operand 7 states. [2020-10-28 22:01:01,782 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 22:01:38,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:01:38,275 INFO L93 Difference]: Finished difference Result 3828 states and 5321 transitions. [2020-10-28 22:01:38,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 22:01:38,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-28 22:01:38,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:01:38,324 INFO L225 Difference]: With dead ends: 3828 [2020-10-28 22:01:38,324 INFO L226 Difference]: Without dead ends: 2738 [2020-10-28 22:01:38,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-10-28 22:01:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2020-10-28 22:01:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 2026. [2020-10-28 22:01:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-10-28 22:01:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2664 transitions. [2020-10-28 22:01:39,117 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2664 transitions. Word has length 46 [2020-10-28 22:01:39,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:01:39,118 INFO L481 AbstractCegarLoop]: Abstraction has 2026 states and 2664 transitions. [2020-10-28 22:01:39,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 22:01:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2664 transitions. [2020-10-28 22:01:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-28 22:01:39,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:01:39,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:01:39,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 22:01:39,137 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:01:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:01:39,138 INFO L82 PathProgramCache]: Analyzing trace with hash -696191933, now seen corresponding path program 1 times [2020-10-28 22:01:39,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:01:39,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461844571] [2020-10-28 22:01:39,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:01:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:39,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:40,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:44,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:44,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 22:01:44,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:01:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5142 [2020-10-28 22:01:44,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:44,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 22:01:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:01:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 22:01:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:45,461 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 22:01:45,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:01:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:01:46,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-28 22:01:46,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:01:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:01:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:01:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:01:46,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 22:01:46,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:01:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:01:46,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:01:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:01:46,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 22:01:46,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:01:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:01:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 22:01:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:01:46,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:01:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 22:01:46,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:01:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:01:46,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 22:01:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:01:46,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-28 22:01:46,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:01:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 22:01:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:01:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:01:46,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 22:01:46,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:01:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:01:46,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:01:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:01:46,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:01:46,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:01:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:01:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:01:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:01:46,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 22:01:46,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:01:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:01:46,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:01:46,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:01:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:01:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:01:46,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:01:46,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:01:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:01:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 22:01:46,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:01:46,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:01:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:01:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:01:46,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:01:46,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:01:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 22:01:46,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461844571] [2020-10-28 22:01:46,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:01:46,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 22:01:46,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286140632] [2020-10-28 22:01:46,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 22:01:46,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:01:46,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 22:01:46,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 22:01:46,975 INFO L87 Difference]: Start difference. First operand 2026 states and 2664 transitions. Second operand 8 states. [2020-10-28 22:01:50,045 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 22:02:25,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:02:25,375 INFO L93 Difference]: Finished difference Result 7396 states and 10138 transitions. [2020-10-28 22:02:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 22:02:25,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2020-10-28 22:02:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:02:25,414 INFO L225 Difference]: With dead ends: 7396 [2020-10-28 22:02:25,414 INFO L226 Difference]: Without dead ends: 5398 [2020-10-28 22:02:25,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2020-10-28 22:02:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2020-10-28 22:02:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 4247. [2020-10-28 22:02:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4247 states. [2020-10-28 22:02:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 4247 states and 5681 transitions. [2020-10-28 22:02:26,338 INFO L78 Accepts]: Start accepts. Automaton has 4247 states and 5681 transitions. Word has length 62 [2020-10-28 22:02:26,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:02:26,338 INFO L481 AbstractCegarLoop]: Abstraction has 4247 states and 5681 transitions. [2020-10-28 22:02:26,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 22:02:26,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 5681 transitions. [2020-10-28 22:02:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 22:02:26,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:02:26,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:02:26,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 22:02:26,342 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:02:26,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:02:26,343 INFO L82 PathProgramCache]: Analyzing trace with hash -764917969, now seen corresponding path program 1 times [2020-10-28 22:02:26,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:02:26,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332209057] [2020-10-28 22:02:26,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:02:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:28,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:31,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:31,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 22:02:31,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:02:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5321 [2020-10-28 22:02:31,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:31,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 22:02:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:02:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 22:02:31,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:32,883 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 22:02:32,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:02:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:33,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 758 [2020-10-28 22:02:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:33,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:02:33,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:33,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:02:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:33,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:33,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:33,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 22:02:33,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:33,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 22:02:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:02:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:33,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:33,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:02:33,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:33,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 22:02:33,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:33,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:33,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:33,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:02:33,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:33,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 22:02:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:33,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:33,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:02:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 22:02:33,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:33,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:33,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:33,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:02:33,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 22:02:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 22:02:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:34,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:34,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:34,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:02:34,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 22:02:34,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:34,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:02:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 22:02:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:34,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:34,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:34,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:34,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:02:34,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 22:02:34,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:34,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:34,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:34,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:34,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:34,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:34,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:34,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:02:34,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:02:34,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:34,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:34,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:02:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:34,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:34,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:02:34,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 22:02:34,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:34,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:34,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:02:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:02:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:02:34,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:02:34,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:02:34,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:02:34,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:02:34,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:02:34,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:02:34,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:02:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:02:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:02:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:02:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:02:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 22:02:34,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332209057] [2020-10-28 22:02:34,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:02:34,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 22:02:34,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851021019] [2020-10-28 22:02:34,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 22:02:34,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:02:34,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 22:02:34,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 22:02:34,223 INFO L87 Difference]: Start difference. First operand 4247 states and 5681 transitions. Second operand 8 states. [2020-10-28 22:02:37,335 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 22:03:10,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:03:10,984 INFO L93 Difference]: Finished difference Result 14725 states and 20511 transitions. [2020-10-28 22:03:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 22:03:10,985 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-10-28 22:03:10,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:03:11,053 INFO L225 Difference]: With dead ends: 14725 [2020-10-28 22:03:11,053 INFO L226 Difference]: Without dead ends: 10506 [2020-10-28 22:03:11,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2020-10-28 22:03:11,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10506 states. [2020-10-28 22:03:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10506 to 8902. [2020-10-28 22:03:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8902 states. [2020-10-28 22:03:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8902 states to 8902 states and 12061 transitions. [2020-10-28 22:03:12,972 INFO L78 Accepts]: Start accepts. Automaton has 8902 states and 12061 transitions. Word has length 63 [2020-10-28 22:03:12,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 22:03:12,973 INFO L481 AbstractCegarLoop]: Abstraction has 8902 states and 12061 transitions. [2020-10-28 22:03:12,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 22:03:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 8902 states and 12061 transitions. [2020-10-28 22:03:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 22:03:12,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 22:03:12,976 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 22:03:12,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 22:03:12,976 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 22:03:12,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 22:03:12,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1404219398, now seen corresponding path program 1 times [2020-10-28 22:03:12,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 22:03:12,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060402926] [2020-10-28 22:03:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 22:03:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:13,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:18,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 22:03:18,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:03:18,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-28 22:03:18,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:18,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 22:03:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 22:03:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 22:03:18,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:03:19,170 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 22:03:19,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 22:03:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:19,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:19,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:19,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:19,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:19,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 504 [2020-10-28 22:03:19,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:19,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 22:03:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:03:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:19,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:19,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:19,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:19,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:03:19,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:19,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:19,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:19,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 22:03:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:19,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:19,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:19,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 22:03:19,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 22:03:19,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:19,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:19,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 22:03:19,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 22:03:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:19,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:19,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:19,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:19,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 22:03:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 22:03:19,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:19,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 22:03:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 22:03:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 22:03:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 22:03:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:20,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:20,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:20,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 22:03:20,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 22:03:20,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:20,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 22:03:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:20,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 22:03:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:20,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:20,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:20,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:20,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 22:03:20,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 22:03:20,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:20,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:20,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:20,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:20,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:20,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 22:03:20,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:20,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 22:03:20,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:20,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 22:03:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 22:03:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 22:03:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 22:03:20,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:20,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:03:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 22:03:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 22:03:20,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 22:03:20,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 22:03:20,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 22:03:20,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 22:03:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 22:03:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 22:03:20,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 22:03:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 22:03:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 22:03:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 22:03:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 22:03:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 22:03:20,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060402926] [2020-10-28 22:03:20,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 22:03:20,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 22:03:20,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492159869] [2020-10-28 22:03:20,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 22:03:20,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 22:03:20,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 22:03:20,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 22:03:20,201 INFO L87 Difference]: Start difference. First operand 8902 states and 12061 transitions. Second operand 10 states. [2020-10-28 22:03:23,351 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 22:03:24,516 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2020-10-28 22:03:25,490 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2020-10-28 22:04:01,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 22:04:01,704 INFO L93 Difference]: Finished difference Result 19191 states and 26214 transitions. [2020-10-28 22:04:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 22:04:01,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-28 22:04:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 22:04:01,770 INFO L225 Difference]: With dead ends: 19191 [2020-10-28 22:04:01,771 INFO L226 Difference]: Without dead ends: 10314 [2020-10-28 22:04:01,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2020-10-28 22:04:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10314 states.